Muhammad is purchasing an air purifier for $143.95, including tax. he gives the sales clerk 1 fifty-dollar bill, 3 twenty-dollar bills, and 4 ten-dollar bills. how much should he receive in change?

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?