Suppose The correlation coefficient between a baby’s weight and the price of a computer is 0.87 which statement must be true

16 more than the product of 5 and p

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?