Martin luther king jr. was born on january 15, 1929. his birthday is celebrated each year as a national holiday on the third monday of january. what is the earliest date in january we can celebrate martin luther king's birthday. also what is the latest date. written out in algebraic form

Can some one me with these questions

Ms. ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms. ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.