Total surface area of this

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

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

What 8/12+8/11 in another way than and improper fraction