You bought a lawn mower for $80. for every lawn you cut, you plan to charge customers $20. which graph shows how many lawns you must cut to earn back the money spent on the lawn mower?

you must cut 4 lawns to earn the money back .

Step-by-step explanation:

one lawn=$20

two lawns=$40

three =$60

four=$80

-10i^2-4i

step-by-step explanation:

evaluate for p=2,q=5i

(2−4)(2+5i)i

(2−4)(2+5i)i

=−10i2−4i