Convert the angle in degrees to radians. express your answer as a multiple of pi 45 degrees 45 degrees = nothing radians

Carlos has 4/5 of a tank of fuel in his car. he uses 1/10 of a tank per day. how many days will his fuel last?

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

What is the sum of 25x + 15y and (-18x - 6y)