Two more than 4 times a number is -18. 2x + 4 = -18
18 = 4x +2
4x + 2 = -18
Which one is right? And how?

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe