Greetings!This can be solved by creating an algebraic equation:

Solve for
x.

Add
-262.5 to both sides.


Divide both sides by
11.


You must work
12.5 hours as landscaper to earn $400 a month.
Hope this helps.
-Benjamin

Let

, so that

and

. The integral is then equivalent to
Answer:
B.
Step-by-step explanation:
Answer:
-14a
Explanation:
We are given 7(b - a) - 7(b + a).
We can distribute the 7’s to get:
7b - 7a - 7b - 7a
Combining like terms, we have:
-14a
Answer:
a and c
Step-by-step explanation: