Answer:
x=11
z=16
Step-by-step explanation:
5x+3z=70
3x+4z=64
2x-z=6
z=2x-6
5x+3(2x-6)=70
11x=88
z=2(11)-6
=16
You can't its already simplified
Answer: C. 150 km²
<u>Step-by-step explanation:</u>
Use similar triangle proportion to find x:
D. 1x9x4
V= l x w x h
24
12 x 2 = 24
12 + 12 = 24