--> Form the complex numbers with the given real parts and imaginary parts. Make sure they are in standard a+bi form.
a.
Real: 5, imaginary: 7
b.
Real: -6, imaginary: - 4
C.
Real: 9, imaginary: -2
d.
Real: -3, imaginary: 1

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

What is the 12th term of b(n)=-4-2(n-1)

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need