Answer:
angle 2=120°
angle 1=60
Step-by-step explanation:
70+50=120
or
180-(70+50)=60
angles on a straight line add up to 180°
180-60=120
Answer:

Step-by-step explanation:
we have

we know that

substitute

Factor 2
![2[(2)x+(7)]](https://tex.z-dn.net/?f=2%5B%282%29x%2B%287%29%5D)

Answer:
$13.50
Step-by-step explanation:
Alissa will save $13.50 from the sale.
First break the L into two rectangular prisms and then find the volume for each prism. Then add those two volumes together to get the L.