Which of the sets of ordered pairs represents a function? A = {(2,-2), (5, -5),(-2, 2), (-5,5)}
B = {(4,2), (4, -2), (9,3), (9, -3)}
o Only A
O Only B
O Both A and B
O Neither A nor B

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%