Solve the equation.
2x^2+7=15x

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?