The length of a rectangle is twice the width. the perimeter 66ft. find the length and the width

Which of the following is true for the relation f(x)=2x^2+1

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.

Which equation below is equivalent to sin c=h/a ? a)h= sinc/a b)a=hsinc c)a=sinc/h d)h=asinc