Use the equation to answer the question. x-10= 30 What value of x makes the equation true? A 20
B 30
C40
D 300

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?