Answer:
3x squared - 5x+76
Step-by-step explanation:
2x^2+x^2=3x^2
-5x
12+72-8=76
Answer:
b
Step-by-step explanation:
I looked it up on the calculator.
A because I did the work and I just know its right
(3 x 5) x 4
3 x 5 x 4
15 x 4
60
Answer:
49.5 square feet.
Step-by-step explanation:
6 by 7.5 means 6 x 7.5.
6 x 7.5 = 45
She wants to by 10% extra.
45 is 100% so multiply 45 by 1.1.
45 x 1.1 = 49.5