How would you solve for the quadratic function with values in the table?

Can someone me with these two circle theorem questions asap?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points