One-third of the students in a class are under the age of 20. If there are 9 students in the class that are under the age of 20, how many total students must be in class?

the total cost of 3 gift cards and 4 movie tickets is $168 while 2 gift cards and 3 movie tickets costs $116. find the cost of 1 movie ticket.

Which value of x is in solution set of the following inequality? - 3x + 5 > 17

4) - 3 (k - 8) - (k + 5) = 23

Select the correct answer for each statement. 1.) Will yield consecutive odd integers. k+10, k+12, k+14 or k+2, k+3, k+4 2.) Will yield consecutive integers. k+1, k+2, k+3 or k+6, k+8, k+10

What is the highest factor for 999 and 333

A student has a container with a volume of 1.5 liters. She estimates the volume to be 2.1 liters. By what percent is the student's estimate off? (Round to the nearest percent as needed.)

Multiply the polynomials. (8x2 + 6x + 8) (6x - 5)

Numbers that are divisible by 2,4,6,8,10 have to be.

How many 1/4 hours are in 1 hour?

Which statement is true about the potential solutions for this equation? Both are extraneous solutions, Only x=-1 is an extraneous solution. Only x = 3/2 is an extraneous solution. Neither solution is extraneous.