Answer:
1. 16 cm (squared)
3. 200 cm (squared)
Step-by-step explanation:
6x - 12 = 8x + 14
2x = - 26
x = - 13
You probably jsut need to use law of cosines in order to solve for angle A

or
Answer:
-9, -8, -4 , 6 then 9..
Step-by-step explanation:
Your welcome
To do this problem you use is/of=percent/100
So:
320/750=x/100
cross multiply
32,000=750x
divide both sides by 750
x=42.66 repeating
ANSWER: X=42.66 REPEATING