9. Solve for x: x + 9.72=21

What is 1/2 in decimal form

There are five students of different ages. The median age is 13 years. What are two possibilities for the ages of the three oldest students?

A building is 60 ft tall and another is 80 ft tall. A model of the 60 ft building is made at 1 ft. tall. How tall is the model of the 80 ft tall building?

196 is 180% of what.

Find the sum of the first 44 terms of the following series, to the nearest integer. 10, 14,18, ...

To find the quotient of 3 divided by 1/6 multiply 3 by

A tractor costs $12,250 and depreciates in value by 6% per year. How much will the tractor be worth in 6 years?

Solve the following equation. then place the correct answer in the box provided. 2x 1 < 9

Safeway is selling cereal at $8 am for 3 boxes. what is the cost per box?

Jason works at least 5 hours but not more than 10. He earns $15.30 per hour. The function f (t) = 15.3t represents the money he earns for working t hours. What is the practical range? Show all your work. 1.