Astore has a sale where all shirts are sold at a discount of 20%. if the regular price of the shirts is $20, how many shirts could be bought at the sale price of a shopper spend $240

Timed*** there are 8 rows and 8 columns, or 64 squares on a chessboard. suppose you place 1 penny on row 1 column a, 2 pennies on row 1 column b, 4 pennies on row 1 column c, and so on … how many pennies are on each square? a =   b =   c = d =   e =   f = g =   h =

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?