91Ó°ÊÓ

Translate statement into an inequality. Use \(x\) as the variable. Tracy could spend at most \(\$ 20\) on a gift.

Solve each formula for the specified variable. \(d=r t\) for \(r\)

Solve each equation, and check your solution. $$ 2(2-3 r)=-5(r-3) $$

Solve each equation, and check your solution. $$ -2(8 p+2)-3(2-7 p)-2(4+2 p)=0 $$

Write the answer to each problem in terms of the variable. A football player gained \(x\) yards rushing. On the next down, he gained 9 yd. What expression represents the number of yards he gained altogether?

Christy Heinrich has scores of 76 and 81 on her first two algebra tests. If she wants an average of at least 80 after her third test, what possible scores can she make on that test?

Solve each formula for the specified variable. $$ \mathscr{A}=L W \text { for } L $$

Write the answer to each problem in terms of the variable. A hockey player scored 42 goals in one season. He scored \(n\) goals in one game. What expression represents the number of goals he scored in the rest of the games?

Write the answer to each problem in terms of the variable. Monica is \(x\) years old. What expression represents her age 15 yr from now? 5 yr ago?

The formula for converting Celsius temperature to Fahrenheit is $$F=\frac{9}{5} C+32$$ The Fahrenheit temperature of Phoenix has never exceeded \(122^{\circ} .\) How would you describe this using Celsius temperature?