21x-9+63=180
21x+54=180
21x=126
x=6
Answer:
Solutions to equations of this form are ordered pairs (x, y), where the coordinates, ... When given linear equations with two variables, we can solve for one of the ... Since the solutions to linear equations are ordered pairs, they can be graphed using the rectangular coordinate system. ... 32. x−y=0 x − y = 0 ; {10, 20, 30}. Find
Step-by-step explanation:
B), A),D), and I dontknow how to answer the last one
Answer:
44
Step-by-step explanation:
The angle subtends the arc with measure of 88 degrees, so it has to be 88/2 which is 44.
