Will The complement of a 42° angle is .

The supplement of a 42° angle is

.

The complement of an 81° angle is

.

The supplement of an 81° angle is

.

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Complete the equation of the live through (-1,6) (7,-2)

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.