5(a - b) + 6(a + b) - 7(a - 2b) = 5a-5b+6a+6b-7a+14b= 4a + 15b
B) 1/2
It’s b if you do the work you will find that out
Answer:
You're right
Step-by-step explanation:
Pythagorean Theorem
Surface area= 2(6x15)+2(7x15)+2(6x7)
=180+210+84
=474m
Volume=15x6x7
=630m^2
Answer:
Step-by-step explanation:
The answer is b