The coffe filter can separate viruses to purify a drink

What is the interquartile range of the data set? {48, 50, 65, 60, 80, 42, 45, 50} Enter the answer in the box.

What are the solutions for the equation 2z^2+4z+2=0

4. Which of these are solutions to the following system of equations? x - 2y = 7 13x + 7y = 8 a. (7,0) b. (5, - 1) d. (-2,2) C. (3, - 2)

Find the answer to h in the problem 2h:15=20

You are packing books into boxes. The function y=20x represents the number y of books that will fit into boxes

Donald has x twenty-dollar bills and 11 ten-dollar bill. How much money does Donald have? Write your answer as an expression.

A set of equations is given below: Equation C: y = 6x + 9 Equation D: y = 6x + 2 How many solutions are there to the given set of equations? One solution No solution Two solutions Infinitely many solutions

Pam bought 14 postcards during 7 days of vacation. After 10 days of vacation, how many total postcards will Pam have bought? Solve using unit rates. postcards

Which cannot be a cross section of the figure?

At Chestatee Middle school, 120 students are in the choir. The ratio of girls to boys in the choir is 5:3 What is an equation that represents the total number of girls and boys in choir. be sure to define variables you might use