What is the constant term in the expression 2xy − 5x2 y − 7x + 9?
−7
−5
2
9

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

The actual length of side t is 0.045cm. use the scale drawing to find the actual side length of w

Arace is 10 kilometers long. markers will be placed at the beginning and end of the race course and at each 500 meter mark. how many markers are needed to mark the course for the race?