4 sides, all of them are parallel

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Which of the following graphs could represent a quartic function?

Jackson earns $25 per hour as a tutor at the college library. he set a weekly spending budget of $130 each week and puts the remaining money in his savings account. how many hours must he work this week to have at least an extra $50 to put in his savings account