BEBE Which values of x and y would make the following expression represent a real number?
(4+5)(x + yi)
x = 4, y = 5
x= 4, y = 0
x = 4, y = -5
x = 0, y = 5

where is the rest of the

step-by-step explanation:

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour

- (2, -7)

- lines r and s and lines t and u must be parallel

the answer for your question is

step-by-step explanation: