Two angles measures of a triangle are 47 and 86, what is the measure of the third angle
a 47
b 67
c 86
d 90

Can someone check my answer? you : )

The measure of an angle is 117°. what is the measure of a supplementary angle?

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.