Tim thompson ran 3 - mile run in 20 min. 12 sec. George Harris ran the race in 21 min. How much longer did it take George to run than tim?

b

step-by-step explanation:

i do not know the answer

step-by-step explanation:

answer: the answer is one

step-by-step explanation:

pemdas, in this situation there is no parenthesis or exponents so you go to multiplication, 1x1=1, then division 1/1= 1 then addition 1+1=2 then subtraction 2-1=1

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).