45 / 2 = 22.5
You can get 22.5 hours of Internet for 45$.
The answer is C that is X=7 and X=-1
multiple x through the given equation to get rid of a fraction. It will be

After that bring 6X to the LHS of the equation
so that it will look like the general equation that is

Use the quadratic formula (or any other approach to find the values of x
You will arrive at

I think it’s D but not completely sure!
Area of a trapezoid is found with the formula, A=(a+b)/2 x h.
Does x equal 4 ?if it does then a) -100
b) 25