Answer:
<h3>3/4</h3>
Step-by-step explanation:
![tan = \frac{sin}{cos }](https://tex.z-dn.net/?f=tan%20%3D%20%20%20%5Cfrac%7Bsin%7D%7Bcos%20%7D%20)
<h3> =3/5/4/5</h3>
=3/5 × 5/4
=15/20
<h3>
</h3><h3>
=3/4</h3>
Number 4. will be a. because if you do 7*9=63*10=630.
Answer:
im bad with this kinda thing, just guess and start praying, goodluck
Step-by-step explanation:
To find the side lengths, you have to factor 4x^2 + 28x + 49. This equation factored is (2x+7)(2x+7), so each side length is (2x+7) feet.