Oct 10th (after test)

LINEAR PAIR

X = -11

IRRATIONAL

Y = 5

NEGATIVE

MEAN

4X - 8Y = 32

SUPPLEMENTARY

-28X + 2Y = 60

6X + 3Y = 240

TRIANGLE ANGLE SUM

SEMICIRCLE

X - Y = 121

Y = X

CRITICAL

Y = 14X + 27