It costs $100 to rent the bowling alley, plus $4 per person. The cost for any number (n) of people can be found using the expression 100 + 4n. What is the cost for 15 people? Use the dollar sign. *units are very important!

$160

Step-by-step explanation:

Step one:

It costs $100 to rent the bowling alley

plus $4 per person

the expression for the cost is

where n is the number of people

for n= 15

Step two:

let us substitute

x² + 11x + 18 < 0  

[-11 ± sqrt(121 - 72)]/2 = (-11 ± 7)/2  

solution: (-9, -2)

step-by-step explanation:

b

step-by-step explanation: