When Ruby works out, she spends 2 minutes stretching for every 15 minutes of exercise. Ruby spent 60 minutes exercising this morning. How long did she spend stretching?

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

What is the solution set of the quadratic inequality x^2-5< or equal to 0

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