Answer:
2√3
Step-by-step explanation:

Part A: Coefficient is either the 75 or 8 since it's linked with the Variable(letter) d or w. The only constant is 25
Part B: 75(5)+8(48)+25=$784 Just plug in for the variables.
Part C: Only the constant since it is a set amount and it is not changed based on days or windows installed.
Covert the problem into and equation using formulas
Answer:
A
Step-by-step explanation:
Taking into account the repeated ones it would be 7! what is 7*6*5*4*3*2*1