The table shows the relationship between the number of calories Jacob burns while roller skating and the number of minutes he roller he roller skates

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.