91Ó°ÊÓ

Solve equation, and check your solution \(7 m+6 m-4 m=63\)

Decide whether each statement is true or false. $$ 0>-\frac{1}{2} $$

Solve each equation, and check your solution. $$ -5(1-2 z)+4(3-z)-7(3+z)=0 $$

Write an equation that requires the use of the addition property of equality, in which 6 must be added to each side to solve the equation and the solution is a negative number.

Write the answer to each problem in terms of the variable. See Example 11. Cliff has \(r\) quarters. Express the value of the quarters in cents.

Convert each percent to a decimal. $$ 96 \% $$

Convert each percent to a decimal. $$ 11 \% $$

Convert each percent to a decimal. $$ 129 \% $$

Convert each percent to a decimal. $$ 174 \% $$

Convert each decimal to a percent. $$ 0.80 $$