Which could be the missing data item for the given set of data if the median of the complete data set is 50? 21 23 60 60 50 54 54 59 26 15 43 15

A. 18

B. 24

C. 45

D. 57

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

In angle pqr find the measure of

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g