Which additional fact would prove that quadrilateral WXYZ is a parallelogram? A. XY = YZ
B. m∠X + m∠Y = 180°
C. YZ = WX
D. m∠Y ≅ m∠W

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

Solve for x in the equation x2 - 12x + 36 = 90. x= 6+3x/10 x=6+2/7 x= 12+3/22 x = 12+3/10