Beth buys a bouncy ball worth $1.20. she buys a pen worth 5 times as much as the bouncy ball. how
nuch do the bouncy ball and pen cost together?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

Acube has a volume of 800 cubic inches. whatis the length of an edge of the cube, in inches? a. 23/100b. 43/50c. 83/100d. 1003/2e. 1003/8