Choose the function whose graph is given by: A. y = cos(ix)

B. y = cos(2x)

C. y = cos(ix)

D. y = cos(4x)

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square