You build a satellite dish in the shape of a parabola, such that the feedhorn, located at the focus, is 16 inches from the vertex. Write an equation of the parabola with focus (0, 16) and
its vertex at the origin.

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

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?

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details