How many different kinds of shapes are used to create the faces on this three-dimensional model?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

If sin(x) = 0 and cos(x) = 1, what is tan(x)?