Answer:
The sum of 78 and -78 is zero.
Step-by-step explanation:
I used a calculator ;)
Answer:
12.50x less than or equal to $200
Step-by-step explanation:
Step-by-step explanation:
B. 426 people per square. mile
Answer:
The integers are (x, y) = (40, 8).
Step-by-step explanation:
x = 5y
xy = 320
Substitute the first equation into the second equation.
(5y)(y) = 320
5y^2 = 320
y^2 = 64
y = 8 (y must be positive)
The integers are (x, y) = (40, 8).
