What value (s) of x make the equation x2 - 18x + 81 = 0 true?

Write a function numberofpennies () that returns the total number of pennies given a number of dollars and (optionally) a number of pennies. ex: 5 dollars and 6 pennies returns 506.

A translation of directed line segment from the origin to (0,-3) followed by a reflection around the line y=x

6x{2} (5x{3}y{2} how do you is?

Which describes how to calculate the range of this data set? 4, 5, 6, 8, 11, 12 Subtract 11-5 Subtract 12 - 4 Add 115 Add 12 + 4

a swimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?

What is 12/20 equivalent to

The sum of 2 numbers is 5 and their difference is 2. Which of the following could the difference of their squares? (i think the numbers are 1.5 and 3.5 but idk ... a.-17 b.-3 c. 3 d. 10

object weighs 8,000 grams, how many kilograms does it weigh? A) 8 kilograms B) 80 kilograms C) 800 kilograms D) 80,000 kilograms

The reduced row echelon form of the augmented matrix of a system of equations is given. Find the solutions of the system. 1 0 0 5 18 0 1 0 4 - 5 0 0 1 0 - 9 0 0 0 0 0 Enter the solution of the system below.

Find the side of a square with area of 25 sq. ft