Acell phone company charges $55 per month for unlimited minutes plus $0.25 per text sent. if the charges to dayne's cell phone for the last month came to $100, how many texts did aly sent?

Jamie is hiking up a small mountain. he climbs up at a constant rate of 300 feet/hour until he reaches the peak at 1,500 feet. after that, he hikes down at the same rate to the base of the mountain. the equation that models jamie’s elevation, e, after t hours is e = . jamie’s elevation will be 600 feet after hours and after hours.

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

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5