Are these two expressions equivalent?
2(x + y + z) and 2x + 2( y + z) ?

If the measure of xyz is 81 what is the measure of yz

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?