Find the acute angle formed by line 2y=x+1

The amount of energy it takes to lift a box might be a function of which of the following

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need