Answer:
15/17
Step-by-step explanation:
Sine is 
, and we see that the angle opposite of A is 15 while the hypotenuse is 17. Plug that into your formula and you get 
.
11/12
Because if you do 1-1/12 or 12/12-1/12 it will give you 11/12 you can check by adding 11/12+1/12
The answers to your question is 4 1\5. Hope that answered it!
Answer:
-4.32 would be the answer
i hope this helps you
Step-by-step explanation:
the area of this rectangle is
(10 + 2x)(8 + 2x) = 168
80 + 20x + 16x + 4x² = 168
4x² + 36x = 88
because for the whole length you need to add x twice (left and right). the same for the width (top and bottom).
