Answer:
Just by simply adding the two quantities you can get the net change. $67.12 +(addition sign because we want the net change) $2.56= $69.68. The last number is the net change!
Step-by-step explanation:
A right angle is an angle at 90 degrees
Answer:
3 groups of 5 sopranos and 12 altos
Step-by-step explanation:
Angle C and the 112 degree angle are supplementary, so angle C measures 180-112=68 degrees.
This means that by the exterior angle theorem, 
The slope is 5/4 and the y intercept is 0,3