Answer:
y=2x-3
Step-by-step explanation:
y=mx+c
m=gradient=
5-(-5)/4-(-1)
=10/5
=2
c=y intercept=-3
y=2x-3
Answer:
You can buy 40 tacos
You have enough money
Step-by-step explanation:
Given


--- missing from the question
Required
Determine if you have enough amount
The number of Tacos that $20 can afford is calculated as:

So, we have:


-- i.e. the number of Tacos will go round the 37 students
Hence, you have enough money
Answer:

Step-by-step explanation:
Formula of circumference is 
r = radius
plug in the numbers into formula to get
which will eqaul 