Find all polar coordinates of point P where P = (9, -pi/5)

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

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?

Need same math paper but the back now i hope your able to read it cleary i need with hw