Harvey collects rare marbles. he has 112 marbles in his collection. if he uses seven trees to hold all of the marbles, how many marbles will he display on three trays? is tray hold an equal number of marbles answers at

Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

What’s the volume of the triangular prism?