Acompany manufactures replacement parts for construction cranes. the fixed manufacturing cost is $2,400, and the variable cost per part is $5.50. each part is sold at $8.50. the minimum number of parts the company must sell to break even is .

4th option is correct xy=-10

if this was to u plzz mark me the brainliest

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11

i think its a and d

step-by-step explanation: