Put the following equation of a line into slope-intercept form, simplifying all fractions. 12x-20y=-40

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?