64 is 66 2/3% of what number?

What is the solution to the equation 9^(x+1) =27

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation

What are the solutions of the following system? y=-2x^2 y=x-2