1. the ordered pair (2,7) is a solution of the equation: y - x = 5
a. true
b. false
2. the ordered pair (-3,10) is a solution of the equation: y + 4 = -2x
a. true
b. false

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coop?

Are the corresponding angles congruent? explain why or why not.

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?