Mary tutors english. for each hour that she tutors she earns 40 dollars. let e be her earnings (in dollars) after tutoring for h hours. write an equation relating e to h. then use this equation to find marys earnings after tutoring for 13 hours

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)