21. betsy knows that mr. robinson needs 14 tablets for a week’s supply of an anti-inflammatory drug. mr. robinson is going on vacation and needs a 4-week supply. how many tablets does betsy need to fill his prescription?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets, x, and the number of student tickets, y. find the solution and explain what it means. i'll you if you me

Solve: 3x+y=6 4x-2y=18 show all work !