Help please due at 9

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

Is (0,0) a to ? ys x2 - 4 y> 2x-1

In the figure, triangle aob and triangle boc form a linear pair ,find the measure of x