An equation is called an identity if it is valid for value(s) of the variable. The equation
2x = x + x
is an algebraic identity, and the equation
sin2(x) + cos2(x) =
is a trigonometric identity.

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?

This graph shows a portion of an odd function. use the graph to complete the table of values. x f(x) −2 −3 −4 −6 im sorry i cant get the graph up