Jenna has 76.47 dollars she bought 2 books for 39.86 dollars how much does she have left

Consider the function f(x)=−2/3x+5 . what is f(1/2) ? enter your answer, as a simplified fraction, in the box. f(1/2)=

For the equations below which statement is true ?

Which statements are true about additional information for proving that the triangles are congruent check all that apply