You switch the positions of two items on your menu. Chicken tenders sales drop from $800 to $600. Food cost for chicken tenders is 25%. Cheeseburger sales rise from $500 to $700. Food cost for cheeseburgers is 20%. Was this a good move?

a) Yes, gross margin increased
b) No, gross margin decreased
c) Didn't change gross margin

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Which translation maps the vertex of the graph of the function f(x) = x2 onto the vertex of the function g(x) = x2 – 10x +2?