The shoe store where Tyler works bought a pair of shoes for $50 and sold it for $70. What is the percent of change? Explain your thinking.

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?

Interpret the following expression (5y^2-7)^3/(2y)^2

Select the correct answer and solve for y