Answer:
B.
Step-by-step explanation:
Remember: 60 seconds in a minute, 60 minutes in one hour.
So if butterflies flap 12 times per second, multiply that number by 60 to get how many times the butterfly flaps their wings in a minute. then, multiply that number by 60 again to get the flaps of number per minute.
12x60=720x60=43,200
Answer:
66
Step-by-step explanation:
Answer:
1750
Step-by-step explanation:
Earns per week: $560
Total sales per week: 
Weekly commission on sales: 0.08
Total Earning per week: 

Simplifying this inequality:

Her sales must be at least $1750.
you answer is b) -x^2-4x+7