He made $2.80 because if you multiply 70 by .04 it’s 2.8
The midpoint of XY is -0.5
The answer is C，
as she uses SSS to prove its congruent, she uses sides instead of angles so option a and d is not correct. as it needs to prove triangle pqr is congruent to triangle sqr, its not necessary to prove PQ is equal to QR. so the answer is c
Yes it x2 is a factor because at some point and time 2x would cross 4x
