Lucy paid $16.50 for 36 prints from photo world. some prints were 4x6 and the rest were 5x7, and they were priced as shown in the following table. how many prints of each size did she order?

Can any one me with the answers to these questions asap?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Will give let f(x)=2x and g(x)=[tex]2^{x}[/tex] graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ? enter your answers in the boxes x=[? ] or x=[? ]