(05.01) Simplify completely quantity 12 x plus 36 over quantity x squared minus 4 x minus 21 and find the restrictions on the variable. (1 point) Group of answer choices 12 over quantity x minus 7, x ≠ 7, x ≠ −3 quantity x plus 3 over quantity x minus 7, x ≠ 7 12 over quantity x minus 7, x ≠ 7 quantity x plus 3 over quantity x minus 7, x ≠ 7, x ≠ −3

Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

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?