MN is 6 units. Find the lengths of NZ and XZ. For the image see if you have enough info to find the missing lengths. If not, explain why.

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?

Simplify the expression below -3(10x+4y)+6(6x-2y)

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.