8x +9 + 15-8x is -32 it’s that easy
=(new-old)/old *100%
=(90-75)/75 *100%
=20%
<span> hope it helps</span>
Answer:
<u>242 sq. cm.</u>
Step-by-step explanation:
<u>Surface Area</u>
- 2(LH + BH + LB)
- 2(10 × 3 + 7 × 3 + 10 × 7)
- 2(30 + 21 + 70)
- 2(121)
- <u>242 sq. cm.</u>
X = 21 + 34
Answer: x = 55°