<span>We know that the runner completed her first race in 17.8 seconds and that she completed her second race in 16.9 seconds. Then the difference between the first race and the second race is .9 seconds. Now we divide .9 by 17.8 and multiply by 100 to get the percent decrease. We get 5.06%. The percent decrease in her time is 5%.</span>
Mike would first have to divid 37 from 12 and he would then find x
1.50 5/9(122-32)=5/9(90)= 50
H because that would equal 2
Answer:55in^2
Step-by-step explanation:Divide the figure into 2 4x7 on the rectangle with it's base touching the bottom and 3x9 on the other one 3x9=27 4x7=28 28-27=55
