Add or subtract.

7z2 - 2z4 - 2z2 - 5z4

Simplify 5m - 13n - n + 4m. 9m - 14n 9m - 13 9m2 + 13n2 -5mn

What is the selling price of a 2,499 motorcycle if a $249 discount is given

What is 45 squared to the 4th power

You spent $3.48 on 6 pounds of bananas what was the cost per pound?

A scuba diver descends 63 feet in 18 seconds. What integer represents the change in the divers postition in feet per second?

Nine friends are going to share 5 pounds of ice pop sticks equally. What fraction does each friend get? A. 4/5 pounds. B. 5/5 pounds. C. 4/9 pounds. D. 5/9 pounds.

8/14 greater than less than or equal to 8/9

A poll of 1700 randomly selected students in grades 6 through 8 was conducted and found that 53% enjoy playing sports. is the 53% result a statistic or a parameter? explain.

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

Find the area of a circle with a circumference of / color{blue}{6/pi}6πstart color blue, 6, pi, end color blue.