The sale price of an item is $160 after a 20% discount. what is the original price of the item? explain.

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =

Define the type of sequence below. 7, 14, 28, 56, 112, a. neither arithmetic nor geometric b. arithmetic c. both arithmetic and geometric d. geometric