A circle has a diameter of 42 inches. What is the circumference of the circle? * 2 points
21 inches
66 inches
132 inches
263 inches
A circle has a radius of 16 units. What is the area in square units of the circle? *
2 points
803.84 sq. units
50.24 sq. units
100.48 sq. units
12.56 sq. units

A circular fountain has 132 feet of railing around it. What is the area of the fountain to the nearest square foot? Use 3.14 for π. *

The Sarsen Circle at Stonehenge has a circumference of 304.7 feet. What is the radius in feet of the Sarsen Circle? *
answer s

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?