Theres a formula to find the midpoint it’s... (x1+x2)/2, (y1+y2)/2. You fill in the x’s and y’s to get (-5+7)/2 for x, which equals 1 and (4-5)/2 to get -0.5. (1, -0.5) is your answer
2.5 hours, because 10 miles an hour times 2 = 20 plus half the time? 2.5
5x^2+45x-7x+63
5x^2+38x+63
please vote my answer brainliest. thanks!