Answer:
3
Step-by-step explanation
cause there are three rooms that need to be painted
I think it’s D
I’m not 100% bc it’s been a while since I learned about those
Answer:

Step-by-step explanation:
Use cosine:


We have:

Substitute:

<em>cross multiply</em>
<em>divide both sides by 9063</em>

If you were to buy 5 DVDs and 3 videotapes, For 5 DVDs, it would be $40 for 5 DVDs, and $18 for 3 videotapes. I hope this helps :)
Answer:
Simplify the expression.
12xy−72yexponent 2 -6x
Step-by-step explanation:
got it from mathaway