Simplify.42 ÷ 4 × 7 + 7

Write the fraction or mixed number as a percent.

Perform the indicated operation.(-1.3) + (-2.8)

Write the fraction or mixed number as a percent.

Use the quotient rule to simplify the expression.

Solve.A $2000 sofa is on sale at 35% off. Find the sale price.

Perform the indicated operation.(-1.3) + (-2.8)

Simplify.42 ÷ 4 × 7 + 7

Use the quotient rule to simplify the expression.

Solve the equation.3r – 2r = -15