Triangle abc is similar to triangle def. the length of line ac is 12 cm. the length of line bc is 18 cm. the length of line df is 10 cm.

what is the length of ef? enter your answer in the box.

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

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?