One plane at 520 feet is ascending at a rate of 40 feet per minute. while another pane at 3800 feet is descending at a rate of 120 feet per minute. How long will take the two planes to be at the same altitude?

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.