Do you have to use the quadratic formula?
Answer:
x = 7
Step-by-step explanation:
x+16 = 4x-5
7+16=23
4x7=28-5=23
Vertical angle theorem states that angles vertically opposite to one another are equal
Answer:
18X+6
Step-by-step explanation:
Area of a triangle is half into base into height... forget about other things
Answer:
y=-1/3x-11/3
(Not sure what point slope form is, but this is the equation for the points)