Discuss how the calibration curve, using known standards, was used to determine the percent contaminants in the sand sample. be sure to comment on the mathematical model and r2 obtained from the calibration curve.

30 points and i will give brainliest the club will base its decision about whether to increase the budget for the indoor rock climbing facility on the analysis of its usage. the decision to increase the budget will depend on whether members are using the indoor facility at least two times a week. use the best measure of center for both data sets to determine whether the club should increase the budget. assume there are four weeks in a month. if you think the data is inconclusive, explain why.

The graph shows the distance kerri drives on a trip. what is kerri's speed?

87.5% , 100% , 83.33 , 93.33% , 100% , 82.5% are all the academic points i've gotten this quarter. what's my final grade?