First we count how many hours is inbetween 8 and 3 which is 7
then subtract 10 for the first time
6:50 then add 45 for the second time
7:35
round down so she worked 7 1/2 hours
2.3*10-5=18
3.1*10 (dunno what to do with 12, there's no sign) but = 31 (that's w/o the 12)
Now multiply which = 558 (do whatever with the 12 to the equation.
the awnser is c 10 miles per hour
Answer:
C=2πr
Step-by-step explanation:
The circumference is the total distance around the circle.
C=πd but d = 2r.
:.C=2πr.
