The solution is (-1,-3), it is where the two lines meet.
Deez_nu-tz gottem
I looked it up
Answer:
The constant between two consecutive terms is called the common difference. The common difference is the number added to any one term of an arithmetic sequence that generates the subsequent term.
90 * 3 = 270
86 + 93 = 179
270 -179 = 91
answer: He needs to make 91 <span>on the third test to have an average of 90 for all three tests</span>