The equation you would write would be:
2x+34=187<span />
Answer:
2.25
Step-by-step explanation:

We need to use the calculator, using the tan⁻¹ function:

Using the calculator:

To the nearest tenth:
It is 21.73684210526316 which is rounded to the ones so it is 22.00000000000000
19x22=418 and 418 is close to 413 I help this help
The P is 16x^2 -12 and Perimeter is the distance around the edge of a shape. So you divide your equation by 4 and the answer you get is 4x^2 - 3