Answer:
B
Step-by-step explanation:
count how many x^2 there are because they would tell you what your answer is.
You know that he makes $90 for doing chores, dividing that by 6 and you get that each week he earns $15 for chores.
Here is your answer: Combine like terms: 4a+2a=6a and 8b-6b=2b Your answer is 6a+2b
Answer: 
Step-by-step explanation:
It is important to remember that the fourth digit after the decimal point is in the ten-thousandth place.
Then, given the following number:

You can follow these steps in order ti round it to the nearest ten-thousandth:
1. You can identify that the digit in the ten-thousandth place is:

2. Identify the digit to the right of
. This is:

3. Since:

You must round up. Increase the digit
by 1. (Notice that
, then the digit to the left of
increases by 1 too). Then:







We can rule out the negative length.

Answer: b=4, h=18