11.4 What is the Cost? Circle A has a diameter of 20 inches. If rope costs $0.10 per inch, how much money does it cost to lay rope along the outside edge of the circle?

Circle B has a radius of 20 inches. If rope costs $0.05 per inch, how much money does it cost to lay rope along the outside edge of the circle?

A pool is the shape of a circle and has a diameter of 16 feet. A pool cover costs $1.50 per square foot. How much money would it cost to buy enough pool cover to cover the pool?

Answer this 30 points and brainliest!

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.