If a(3, 2, 9) and b(-4, 7, 2) are two points in 3-space, then find the vector ab.

Write the fraction or mixed number and the decimal shown by the model

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.

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x