Determine the volume of a sphere with a radius of 1.28 inches. Round your answer to the nearest hundredth. Use 3.14 for pi. a.
8.78 cu. in
c.
9.78 cu. in
b.
7.48 cu. in
d.
2.48 cu. in

Use the quadratic formula to solve 5x=6x^2-3,what are the values of x?

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)) =

Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall