A sales person earns a commission of 435 for selling $2900 in merchandise what is the commission rate

What is the square root of 45? (step by step working plz)

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

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.