Aset of equations is given below: equation a: q = 4r + 1 equation b: q = 3r + 5 which of the following is a step that can be used to find the solution to the set of equations? 4r + 1 = 3r 4r = 3r + 5 4r + 1 = 3r + 5 4r + 5 = 3r + 1

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?