29.87 should be it hopefully
Answer:

Step-by-step explanation:
Hi there!
Because we're given the vertex of the parabola, we can determine its equation in vertex form:
where the vertex is 
Plug in the vertex (0,0)

Now, we must solve for a. Plug in the given point (-2,3) and solve for a:

Therefore, the value of a is
. Plug this back into
:

I hope this helps!
4.334, just use your calculator
Answer:
$22
Step-by-step explanation:
20*110/100
=$22 is the amount
Answer: 77 degrees
Step-by-step explanation:
By the law of sines,
