Perform the operation.
(-x^2 + 2x) – (x^2 – 2x)

Which of the following is the equation of a line that passes through the point (1,4) and is parallel to the x-axis a. y=1 b. y=4 c. x=1 d. x=4

Describe the domain and range of y=2(3)^x-2+5

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?