i need 2 and 3 answered i will make another question with more points to a correct answer bc people be trolling

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?