Which expression is equivalent to 3x - (2x + 4) + 5?
X + 9
x + 1
5x + 9
5x + 1

Which of the following expressions is equal to 2x^2+8

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?

Use the distance formula to find the distance between (-3,5) and (3,1)