Answer:
I'm here to help!
First, we need to make a proportion to find the sales tax:
(Let x= Sales tax)

We have the sales tax!
Now we need to estimate, as you cannot have.75 of a cent...

Now to add them:

There you go! The total cost is about 81.19!
Hope this helps!
P.S. Stay Safe!
Answer:I drew a quadratic function with a vertex and axis of symmetry, hope this helps
Answer is zero
f(x)=5-3x
f(x)=-19
-19=5-3x
-5 = -5-3x
0 = -3x
-3 = -3
0 = x
Each friend gets 1/18
Because 1/6 divided by 3 is 1/18
Answer:
25 miles per hour
Step-by-step explanation:
100 / 4 = 25