Answer:
D
Step-by-step explanation:
Ill try to answer your question
Answer:
2xy+10z-5yz-4x
Step-by-step explanation:
Just put the positives and negatives together. You can't add or subtract any of them because they aren't like terms.
Answer:
B
Step-by-step explanation:
(f+g)(x)=f(x)+g(x)
3x+1+x2-6 = x2+3x-5
$20.70
Eighteen dollars
Fifteen percent of eighteen is 2.7
(.15 X 18)+18