It takes jeff 14 minutes to drive 10 1/2 miles. at this rate, how many minutes will it take him to drive 23 miles?

Let f (x) = x e8x. find a formula for the nth derivative of f, where n is any positive integer. use x and n in your answer if needed. f (n)(x) =

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

Can someone me with this problem i don't understand i need