Amy buys 19 envelopes for 22p each and pays with a £5 note. How much change does she get?
Give your answer in pounds, £.

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

2x minus y equals 6, x plus y equals negative 3

Explain in a minimum of 2 sentences how to graph the equation of the absolute value function given a vertex of (-1,3) and a value of “a” equal to ½.