PLEASE HELP ME WITH THIS I DON’T UNDERSTAND
A stadium holds a total of 7,500 people. A random survey of 150 people finds that 17 of them are under 21 years old.

Enter the total number of people predicted to be in the stadium under 21.

Which region represents the solution to the given system of inequalities? |-0.5x+y23 | 1.5x+ys-1 5 4 -3 -2 -1 1 2 3 4

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

How do you determine if an ordered pair is a solution to a given equation?