How many solutions exist for the given equation?

3(x + 10) + 6 = 3(x + 12)
a. zerob. onec. twod. infinitely many

Prove that quadrilateral is a rhombus.

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.

Find the length of the diagonal of the rectangle. round your answer to the nearest tenth. || | | 8 m | | | | 11 m