Answer:
Step-by-step explanation:
Since they have the same base as 2, by the rule of a^m / a^n = a^m-n.
So 2^7 / 2^3 = 2^ 7-3 = 2^4 = 16
C. 110. This is because all triangles add up to equal 180*. So you add the two angles you have and subtract from 180.
Answer:
C. 
Step-by-step explanation:
You can use the formula to find the slope: 
(-1.5, 1.5) & (1.5, 0)

The slope is 

<em>hope </em><em>it</em><em> helps</em>
3/12 is rational because it ends in 0.25