The two line plots below show the number of hours per week students in Mr. Pinkos' class spend doing homework and watching television.

Julie wants to draw a triangle that is similar to a triangle on a coordinate plane. she choose to draw a triangle with sides that are proportional to the original triangle. which method could she use to draw a similar triangle? a. multiplying the x-values by 2 and the y-values by 2 b. multiplying the x-values by 2 and the y-values by 3 c. multiplying the y-values by 3 d. multiplying the x-values by 3