First, find out how many messages are received a second. Do this by dividing messages by 60 seconds.
120/60 = 2 messages a second
now multiply 2 by 150
2*150 = 300messages in 150 seconds
your answer is (3) 300
Answer:
(x+8)(x^2-3)
Step-by-step explanation:
First you need to factor out the greatest common factor from each group.
x^2(x+8) - 3(x+8)
Factor the polynomial by factoring out the greatest common factor, x+8.
(
x
+
8
)
(
x
^2-3
)
You could multiply 8.5 by 12 centimeters
"The length of a rectangle is 5/2 units greater than its width"
'greater' here means multiplication, 5/2 units greater or 5/2 times more. So we know that the length is

.
Perimeter of a rectangle is:

Plug in our value for the length:
6 faces, 12 edges, and 8 vertices