Answer:
A = 16 pi units^2
Step-by-step explanation:
The area of a circle is given by
A = pi r^2
A = pi ( 4)^2
A = 16 pi units^2
120 days in 4 months start day 1 with 4 rats every 4 days 4 rats add on so what I did is this.
Day 1= 4 rats day 4=8 day 8 = 12 so on intell u hit 118 days.but the answer to your question is.. there will be 114 rats if the population of rats double every 4 days for 4 months. hope this is correct and helps. :)
C is identity
B is associative
A is identity
B is communitative
Answer:
$82 per hour
Step-by-step explanation:
Total cost to customer: $490
Cost for parts: $285
$490-$285 = $205
There is a total labor charge of $205.
The problem tells us that the customer paid for 2.5 hours of labor.
$205/2.5 hours = $82.00 per hour.