Ellen can buy bottles of water in packages of 6 for $10.98 or in packages of 4 for $8.92. How much money does she save by buying 12 bottles of water at the better price?

Solve the following system of equations: 4x + 7y - 2z = 0 3x - 5y + 3z = 9 3x + 6y - z = 1 (-1, 0, - 2) (1, 0, - 2) (-1, 0, 2) (1, 0, 2)

Factorise the completely 3ax+2ay+6bx+4by

Share £72 in the ratio 2:7

Which arrangement for these numbers is from least to greatest 3/5, 5/7, 2/9 2/9 3/5 5/7 2/9 5/7 3/5 5/7 3/5 2/9 3/5 2/9 5/7

Which one of the following examples represents a proper fraction? A. 8/8 B. 12/9 C. 3/2 D. 15/22

What is the interquartile range of the scores?

What's the temperature change? A. 32 degrees to 72 degrees B. 40 degrees to 21 degrees C. 120 degrees to 250degrees D. 15 degrees to 68 degrees

The height of a rocket a given number of seconds after it is released is modeled by. What does t represent? A. the number of seconds after the rocket is released B. the initial height of the rocket C. the initial velocity of the rocket D.

Which of the following matrices could be used to solve the system of equations? 3x - y + 4z = 1 x - y + z = - 1 2x + y - z = 12

Use Multiples of 4 to divide the 'following 4,491-4=