Find the unit rate. round to the nearest hundredth if necessary

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Which of the following circles have their centers in the third quadrant? check all that apply.