Answer:
It could be a) -3
Step-by-step explanation:
I'm not quite sure but it may be.
Answer:
22.8
Step-by-step explanation:
ASSUMING LONG IS LONGEST SIDE....
Using trig, we have an angle, the opposite side and we want the hypotenuse.
SOH <u>CAH</u> TOA
cos = a/h
h = a/cos
h = 22.776in
Simplify
9x^3 - 4x + 10 + x^3 + 10x - 9
Collect like terms
(9x^3 + x^3) + (-4x + 10x) + (10 - 9)
Simplify
<u>10x^2 + 6x + 1</u>