Find a decomposition of a=⟨1,3,−1⟩ into a vector c parallel to b=⟨1,2,−3⟩ and a vector d perpendicular to b such that c+d=a.

Convert the cartesian equation (x 2 + y 2)2 = 4(x 2 - y 2) to a polar equation. choices: r4 = -4r2 r2 = 4cos2θ r2 = 4sin2θ

Chose the graph below that represents the following system of inequality’s

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?