An expression for the cost will be 50+100n, where n is the number of cavities.
This is my answer. Good luck!
Answer:
y=6x+21
Step-by-step explanation:
simply 3x2+6x+15
You need to use pemdas so first you do inside the parenthesis 6+21=27 then you add 4 27+4=31 that is your answer
Answer:
Inequality: 6r - 200 - 65 
1000 and minimum of 211 people
Step-by-step explanation:
Let r = rides
6r - 200 - 65 1000
6r - 265 1000
6r 1265
r 210 
Needs 211 people to make a profit of at least $1000
