The number of fish in a lake increased by 80% between last year and this year. Last year there were 50 fish in the lake. What is the population this year?

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens