Which expressions are equivalent to - 7z+(-5.5) + 2.5z + 5y - 1.5? Select all that apply. DA. - 7 + 5y + ( - 4.5z) B. – 4.5z + 5y - 7 OC. 5y- 7 - 4.52 D. - 7 + 5y + 4.5z E. 5y + (-4.5z) - 5.5​

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

Assemble the proof by dragging tiles to the statements and reasons column

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !