Answer: 166
Step-by-step explanation:
SA=2lw+2lh+2wh
l=4 w=7 h=5
SA=2(4)(7)+2(4)(5)+2(7)(5)
SA=2(28)+2(20)+2(35)
SA=56+40+70
SA=166
Answer:
D
Step-by-step explanation:
It's a repeating pattern
Answer:
the answer to those question is 2
Answer: (r + 4)(r + 8)Alright, I would first rearrange the equation by bringing all your terms to one side by adding 12r and 32 to both sides. This will result in the rearranged equation:

You can then factor the equation into the two binomials:
(r + 4)(r + 8).
4 + 8 equals the b term, 12, and 4 x 8 equals the c term, 32.
Answer:
a) 20
Step-by-step explanation:
Use similar triangles.
2/3 = x/30
3x = 2 * 30
3x = 60
x = 20
Answer: a) 20