Select/Highlight all the statements that are true for any value of x. A 7x+(2x+7)=9x+7
B 7x+(2x−1)=9x+1
C 3x+(10−3x)=10
D 5x−(8−6x)=-x−8
E 4x−(2x+8)=2x−8
F 6x−(2x−4)=4x+4

43lbs of tomatos cost $387. how much would 41lbs cost

Icould really use some with this question.

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.