Would Anyone Help Me With These Math Questions Thank You Very Much.

1.Which of the following is an example of an open operation?
A. 5x+7=12
B. 12+(-8)=4
C. 25=5(5)
D. 8+0=8
My Answer for this one is A.

2. Which of the following equations has 3 as a solution?
A. -2b=6
B. 4a-5+12
C. 5y=y+8
D. z-15=-12
3.Is (1,5) a solution to the equation y=x-2?
Yes
No
4. Is (-2, -6) a solution to the equation y=3x
Yes
No
5. Which of (3,5) , (4,6) (5,7), and (6,8) are solutions to y=x+2
A. (3,5) and (4,6)
B. (4,6) and (5,7)
C. None
D. All
8. What does it mean to inductive reasoning to solve a problem?
A. To solve by guessing
B. to draw a picture
C. to solve by observing patterns
D. To ask someone for help.