15x - y = - 6.....15x + 6 = y...so we sub in 15x + 6 in for y on the other equation
5x - 3y = -13
5x - 3(15x + 6) = -13 <== the new equation
Try this option (see the attached picture).
Answer:
A. 90 sq. units
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
I took the test, and that was the correct answer. I hope this helps!
Jacob is correct in thinking that because the mean represents the average of several quantities