Maria fills 4 jars with jam using 3 pounds of strawberries. Which proportion can be used to find out how many jars Maria can fill with 9 pounds of strawberries ​

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?