Vincent's cell phone plan charges a $10.00 monthly access fee and $0.04 for each text message sent. Which expression below represents the total monthly charge Vincent will have to pay if he sends n text messages this month?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?