A board game that normally costs $30 is on sale for 25 percent off. What is the sale price of the game? $22.50
$27.50
$32.50
$37.50

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 =

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?