Answer:
Step-by-step explanation:
"One number is eight less than a second number."
x = y-8
"Twice the first is 12 more than 4 times the second."
2x = 4y+12
substitution
2(y-8) = 4y + 12
2y - 16 = 4y + 12
2y = -28
y = -14
x = y-8 = -22
Answer:
678.24 cubic in.
Step-by-step explanation:
Ok, first find the area of the base.
3.14×3^2= 28.26
Then multiply that area by the height, which is 8×3=24
24×28.26=678.24
Let me know if you got it!
Answer:
6h+5
Step-by-step explanation:
7h-h=6h
1+4=5
Hope this helps :)
Answer:
17.5
Step-by-step explanation:
90% sure