A small plane takes off and heads directly upwind to an airport 40 miles away. It takes 30 minutes to get there. The return trip takes 20 minutes. What is the speed of the wind in miles per hour?

Use the inverse of the function y=x^2-18x to find the unknown value [tex]y = \sqrt{bx + c \: + d} [/tex]

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

Jack is considering a list of features and fees for current bank: jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements? a. $44 b. $104 c. $144 d. $176