Determine whether each equation is a linear equation. If so, write the equation in standard form. 1. 2x=4y

What is the equation of the graph that represents f(x)=x^4 stretched vertically by 2 and shifted up 3 spaces

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.