Answer:
• Considering the general equation of a line

m is the gradient and b is the y-intercept.
Substitute:

Answer:
Yes.
Step-by-step explanation:
It is because 75=9
Hope This Helps.:)
U can refer to the picture that I’ve attach below
Answer:
{x\ x e U and x has a negative square root} is an empty set.
Step-by-step explanation:
If x e U, x is a negative real number, and they don't have a square root (they don't have even roots). Their square roots are complex numbers, not real ones.
Prime numbers are numbers that we can only divide by 1 and it self.
example- 2 can only be divided by 2 and 1
composite numbers are numbers we can divide by two or more numbers
example- 4 can be divided by 1,2 and 4.