On a number line, 8.78 would be located _. Check all that apply. A. To the left of 8.71
B. Between 7 and 8
C. Between 8 and 9
D. To the right of 8.63

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a