Joe runs 9.25 times around a track in 1, 125.803 seconds. If one lap around the track is 502.3 meters, which is the best estimate of the runner's average speed in meters per second (m/s)?

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters