A hot air balloon is at an altitude of 240 feet. The balloon descends 30 feet per minute. What equation gives the altitude y, in feet, of the hot air balloon after 3 minutes?

Evaluate - 8z - 5 when z=5

In a bouquet of flowers, there are 4 daisies and 11 roses. Write the ratio of daisies to roses in three different ways.

Which diagram shows ∠1 and ∠2 as vertical angles?

Algebraically half of the sum of a number and 12 could be written as what?

A pizza cost $12.00. If sales tax is 7%, what is the final price of the pizza?

If three times a number is increased by 24, the result is 4 less than seven times the number

Write the fraction as a mixed number 15/8

Identify the one number that comes next in the set: 5, 12 ...

Mrs. Hall has two closets. One of them is 90 centimeters wide. The other closet is 121 centimeters wide. They are placed side by side. What is the total width of the two closets?

Find the average value of over the rectangle r with vertices