Answer:
a+b = 4
Step-by-step explanation:
3(a + b)^2 = 81
(a + b)^2 = 27
a + b = sq rt 27
a + b =
· 
a + b = 3
Consecutive numbers differ by one. So, if
is the first, the three numbers are

The sum of the first and third integer is

Answer:
x=1y
Step-by-step explanation:
Answer:
Suppose a crew at an unloading dock can unload 3 trucks per hour and have already unloaded 17 trucks. Which equation can be used to model the number of trucks the crew unloads after h hours?
A. y = 3h = 17
B. y = 3h + 17
C. y = 17h – 3
<u>D. y = 17h + 3</u>
Step-by-step explanation:
You would have to mow 9 lawns