Answer:
100
Step-by-step explanation:
Ok... so this question can be solved by using simultaneous equations.
Use the general from of a parabola

you know the value of c, the y-intercept... y = -4
which means the equation is

now use the other 2 points to get 2 equations in 2 unknowns
(-2, -20) just substitute

this becomes

now the other equation using (4, -20)
The simplified form is
Answer:
B.) 3.65, 3 2/3, 3.7
Step-by-step explanation:
Answer:

Step-by-step explanation:
this is the answer.hope this helps you