Answer:
20
Step-by-step explanation:

The answer is 40.
Because when you multiply 2 numbers, it becomes a positive number.(-4x10 or -2x3)
But if it were only one negative and positive then it would be negative because the answer is negative when you multiply by one negative number.
Sorry i’m not gonna graph it but with this info u easily can
the y intercept is -1
slope is 3/1
final equation is y=3x-1
Yes, it is shown horizontal for both lines and they will never touch, therefore parallel.
10/-5 =2/-1 = -2 (A) is the answer