What is the equation, in point-slope form, of the line that is perpendicular to the given line and passes through the point (2, 5)?y 5 = x 2y − 2 = x − 5y − 5 = −(x − 2)y 2 = −(x 5)

Find the roots of the equation below. x^2 - 6 + 9 = 0

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?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.