Sand falls off of a conveyor belt at a rate of 3 in3/sec . If the sand forms a conical pile in which the height of the pile is always equal to twice the radius, at what rate is the height of the pile changing when the volume of the pile is 60 in3 ?

The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?

What is the sum of these mixed numbers 4 2/3+ 3 1/9

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?