Jane's salary is increased by 4% to $15496. how much was her salary before the rise

What is the standard form of -5x^2+2x^4-11+x^3+3x

Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation.