Which of the following graphs represents the solution(s) of the following system x^2+y=7 x^2+y^2=49 update : its b

Prove that quadrilateral is a rhombus.

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length