Answer:
360
Step-by-step explanation:
V= L•W•H/3
10×12×9÷3
Answer:
$14
Step-by-step explanation:
80% of $70 is $14, saving him $56
Answer:
The value of the expression at x=5 is 10
Step-by-step explanation:
The given expression is 
Let us simplify this expression.
Distribute -2 over the parentheses, we get

Now, substitute x = 5, we get

On simplifying, we get

The value of the expression at x=5 is 10
(-5x^5)(a) = 25x^7 + 100x^5
<u>+5x^5 +5x^5</u>
a = 25x^7