Answer:
18
Step-by-step explanation:
4.5 liters / .25 liters/pcup = 18 pcups
Look up the law of sines, I suggest Khan Academy. It is better if you know how to do it, it is very useful.
Yes I think so I apologize if not
69 is the measurement of angle 2
Answer:
<h2>
2(a + 2b)</h2>
Step-by-step explanation:

When there is a (-) in front of an expression in parentheses, change the sign of each term in the expression.

Collect like terms

Factor out 2 from the expression

Hope this helps...
Good luck on your assignment..