The endpoints of ab are a(1, 8) and b(−5, 3). what is the midpoint of ab?
exercise 2
a. what is the midpoint of a = 1 + 8i and b= −5 + 3i?
b. using a = x1 + y1i and b= x2 + y2i, show that, in general, the midpoint of points a and b is a+b
2 , the
arithmetic average of the two numbers.

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c