I REALLY NEED HELP THIS IS DUE TODAY AND IT'S 1:57 PLEASE HELP -6 X ?= -18
-2 x ? = 20
-? x -10=-70
-7 x ?= -28
-? x -7= 49
-3 x ? =21

The area of a 25-inch tv screen is 300 square inches. the area of a 40-inch tv screen is 768 square inches. the are of the smaller screen is what percent of the area of the larger screen?

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?