Atrain travels 56 kilometers in 4 hours, and then 90 kilometers in 2 hours. what is its average speed?

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811