Select all rectangles that are scaled copies of Rectangle Z. Rectangle Z has a length of 12 and width of 3. Rectangle A has a length of 15 and a width of 30.

Rectangle B has a length of 36 and width of 9

Rectangle C has a length of 4 and width of 1.

Rectangle D has a length of 16.4 and width of 4.1

Rectangle E has a length of 18 and a width of 4

Rectangle F has a length of 24.8 and width of 7.2

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Find the domain of the following expression: 1/(√x)-2

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?