The ratio of green balloons to blue balloons to red balloons at a school party was 2: 5: 4. how many blue balloons were there in the were total 143 balloons?

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.

Finding tbe values of the variables in each kite

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|