Yall i got no brain cells left can you answer this?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =