Answer:
75 degrees
Step-by-step explanation:
those two angles = 180
180-105 =75
Answer:
Square (top right), rectangle (middle bottom), and trapezoid (bottom right)
Step-by-step explanation:
The only one I'm not to sure about is the trapezoid, but you can rule out all the others because there is no right angle. Hope this helps!
She would save $9.12 by using the better sale! I hope this helped!:)
Answer:

The weight of a cubic foot of stone is 5/16 the weight of a cubic foot of iron.