Determine whether the given number is a solution of the inequality.x ≥ -4, 5.3

Find percent notation.1

Solve. Clear fractions first.y – 96 = -24

Find percent notation.0.922

Solve the problem.The sales tax rate in one state is 6.5%. How much tax will be charged on a purchase of 4 chairs at $59 apiece? Round your answer to the nearest cent.

Solve the problem.A customer purchased 3 bottles of nail polish for $2.50 each. How much does a salesperson earn on this sale if the rate of commission is 43%? Round to the nearest cent.

Find the LCM of the expressions.24×7, 8×5

Add and, if possible, simplify.- x + x

Find fractional notation for the ratio. You need not simplify.7.2 to 40

Solve using the addition principle. Graph and write set-builder notation for the answer.10n – 9 > 9n – 21