What is the interquartile range of the data? 150, 165, 180, 198, 204, 216, 230, 255
a. 105
b. 28.5
c. 51
d.50.5

Can someone with this one pre-calc question? the finishing time for a runner completing the 200-meter dash is affected by the tail-wind speed, s. the change, t, in a runner's performance is modeled by the function shown below: t= 0.0119s^2 - 0.308s - 0.0003 predict the change in a runner's finishing time with a wind speed of 3 meters/second. note: a negative answer means the runner finishes with a lower time. round to the nearest hundredth.

What is 0.000008 meters in scientific notation

Find the value of the variable and the length of each chord for #5 and #6.