2z + 3x + 4y + 6z + x – 3y = 6x + 5y – 2x – 3y + 7x + y =
2x +4 +3 + 5x =
6x + 5y + 2x – 3y =
6x + 5y + 2x + 3y + 2x =

Workings too, please! Thank you! :)

Assessment items item 1 garrett is a member of a movie club. he pays a monthly service fee of $5.75 and $2.50 for each movie he rents. which expression represents how much money he will spend for renting x number of movies a month?

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?