You use the substitution method simultaneously. He worked 9h at job A

and

(f+g)(x) =

combining like terms gives you answer choice B
Answer:
E. he multiplied 9 and 0.7 incorrectly.
Step-by-step explanation:
We use the pythagorean theorem and information about the rectangular prism to find the length of the hypotenuses that the spider walks along. Adding them together (5.39+5+5.83+3.91) gives us 20.13cm, the answer.
There will be a true-false test today. :)