Answer:
Step-by-step explanation:
A.
Answer:
yes, it is
Step-by-step explanation:
plug in the point (1, -1) (x,y) into the equation y = 9x - 10
-1 = 9(1)-10
-1 = 9-10
-1=-1
Answer:
No solutions
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Answer:
Step-by-step explanation:
Supplement angle is 57degree 15'
ab + ac + ad is the same as a(b + c + d) according to the distributive property
