Find the speed v, in miles per hour, that will minimize costs on a 115-mile delivery trip. The cost per hour for fuel is C dollars, and the driver is paid W dollars per hour. (Assume there are no costs other than wages and fuel. Round your answer to one decimal place.)Fuel cost: C = (v^2/240)Driver: W = $18.90I am a bit confused about this question and I ve done all the steps right but cant get the right answer

A radar gun recorded the speed of an arrow as it was shot off of a cliff.  Here is the information…                                                 time                 speed                                                 0 seconds        200                                                 1                      168                                                 2                      136                                                 3                      104   It was recorded that the speed of the arrow when it hit the ground was -210.88 feet per second.  Use all of this information to determine the initial height that the arrow was shot from

Brookshire International Academ X ALGACP: Course Access Dokshireinternational.academy/mod/lti/view.php?id=9600 ALGACP/ Course Access EXTERNAL TOOL Course Access X 13 minutes 7 minutes 4 minutes None of these choices are correct. A www. The amount of time (t) in minutes it takes to make a coffee at Starbucks is related to (n) the number of coffees purchased. The equation is t=2n-3. How long does it take if a customer buys 5 coffees? D 7