Zach is 54 inches tall. noland is 60 inches tall. margy is 35 inches less than 2 times zach's height. write an expression that finds how much taller margy is than noland.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Asap! i'm not good math and i'm lost.

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