The diameter of one bicycle wheel is 28 inches and its spokes run from the hub (or center) to the edge of the rim. The diameter of another bicycle wheel 21 inches. What is the difference in inches between the length of the spokes of the two wheels?

What is the smallest prime number greater than 15?

Calculator Choice $3+4 \times 5$= ?

At a luncheon, 48 half-pints of fruit juice are served.What is the cost, at $\$3.50$per gallon, of these servings of fruit juice?

One window washer working alone can wash the windows of a certain building in 15 hours. His partner can do the job in only 10 hours. To the nearest half-hour, how many hours would they need to do the job working together?

The number of students in a class is x. One day, 5 students were absent.What fractional part of the class was present?

An orchestra is made up of 28 men and 32 women. If a member from the orchestra is chosen at random, what is the probability of selecting a woman?

For his oyster stew, Fred uses $1\frac {1}{4}$quarts of regular milk. Fred is making a double recipe. How many quarts of milk will Fred have left from his full gallon carton if there are 4 quarts to a gallon?

Where do lines y = x - 1 and y = -5x + 11 intersect?

Of the students in Kayla’s class, 2/5 have a pet dog. Of the students who have a dog, 2/3 also have a cat. What fraction of the students in Kayla’s class have both a cat and a dog?

The number 40.5 is 500 times greater than which number?

Jane has 11 coins totaling $1.65 in quarters, dimes, and nickels. Create the equations.

Two friends travel 150km and 200km in time 6 hours and 5 hours respectively. What is the ratio of their average speed?

The answer to the expression $100-\left((8 \div 4) \div2 \times 8 \times 4\times 2\right)$ will be

A parallelogram has a base of 9.5 cm and a straight-up height of 4.3 cm . Find its area.

A certain line on the xy-plane contains the (x,y) points (–2,1) and (3,5). What is the slope of the line?

A credit card company charges an annual finance rate of 15.6 percent. What is the MONTHLY rate charged on any unpaid balance?

What is the value of m in the following system of two equations?
4m = 12-3m
3n/4=3-m

A pizza is cut into eight equal slices. The angle included by any slice corner would be?

Seven more than two times a certain number is 181. Find the number.

The ratio of Jennifer’s weekly salary to Carl’s weekly salary is 2:3. If Jennifer’s salary were to double, it would be $\$1000$. What is Carl’s current weekly salary?

A rectangular field is twice as long as it is broad. It has an area of 128. What will be the length of the field?

Patricia wants to order business cards. A printing company determines the cost (C) to the customer using the following function, where b = the number of boxes of cards and n = number of ink colors.
$C = \$25.60b + \$14.00b(n − 1)$
If Patricia orders 4 boxes of cards printed in 3 colors, how much will the cards cost?

A box of holiday ornaments contains 12 colored ornaments. What is the ratio of red ornaments to gold ornaments?

On a map where 2 inches = 5 miles, how far is 4.4 inches?