Sara has 4 3/4 yards of of blue ribbon and Robin has 3 1/2 yards of red ribbon. How much ribbon (in yards) do the girls have in all.

What is the upper quartile in the box plot?

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%