The main tank at an aquarium is a cylinder with a diameter of 203 ft and a height of 4 ft. what is its approximate volume? use 3.14 for π. a) 129,400 ft3 b) 32,366 ft3 c) 79,830 ft3 d) 236,560 ft3

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Someone answer asap 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)) =