Can you explain to me how i would solve this problem? can you explain/and show all the steps? also, is there anyway i can check my answer to see if it is correct? if so, explain to me? 22 = z + (-9)

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.

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Solve -.016x= -16. need solving this