Answer:
i think {x,y} = {-5,-2}
Step-by-step explanation:
Answer: 72 gallons
Step-by-step explanation: I added 5 and 3 then multiplied by 9.
A = 1/2 bh
A = 1/2 (21)(8)
A = 1/2 (168)
A = 84
Answer:

<h3>★ Value of x is <u>8.1</u>.</h3>

<h3>★ Value of H is <u>12.8676</u>.</h3>
Remember:
- tan∅=Perpendicular/Base
- sin∅=Perpendicular/Hypotenuse