3. Write a justification for each step, given that mZA = 60° and mZB= 2mZA. 1. MZA= 60°, mZB= 2m ZA
2. m2B= 2(60°)
3. mZB= 120°
4. MZA+ m2 B= 60° + 120°
B В
5. MZA+mZB= 180°
6. ZA and ZB are supplementary.
(Z’s are meant to be angles)

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Find the area of the unshaded square