find the solution to the system of equations. select all that apply.
y = x^2 - 2x - 3
y = 2x - 3

a. (3,0)
b. (-1,0)
c. (4,5)
d. (0,-3)

Which of the following pairs of functions are inverses of each other? o a. f(x)=x72+8 and 96-9 = 7/x+2) =8 o b. f(x)= 6(x - 2)+3 and g(x) - *#2-3 o c. $4) = 5(2)-3 and 90- 4*: 73 o d. f(x) = 6)-12 and 910 – +12

I'm confused on this could anyone me and show me what i need to do to solve it.

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount