Hello :
(f+g)(x) = f(x) +g(x) = (5x-2)+ (2x+1) = 7x -1
108 is the answer for this question
Answer:
The three answers are B,C,F
1 millimeter is 1 tenth of a centimeter so do 10 centimeters X 10 millimeters (the ten centimeters is how many more centimeters in length than width) in which you get 100, thus 100 is your awnser