Simplify. assume that no denominator is equal to zero. (2a/a^2)^-3 a. a^3/-8 b. a^3/8 c. 8/a^3 d. 1/8a^3

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

Will give brainliest for correct answer 8. use the distance time graph to answer these questions: a. what does the graph tell us about the velocity of the car? b. what is the average velocity of the car? (show work) c. is the velocity reflected in the graph positive or negative?d. is there any point on the graph where the car is not moving? how do we know?

The bottom of a vase is a square.each side measury y+11 units.the square has a perimeter of 55 units what is the value of y?