The temperature, in °C, of a solution t minutes after being cooled is 60(5/6)^t
After how many
minutes will the temperature of the solution be less than 30°C for the first time?

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.

5,678.321 what place value is the 1 in

Tom is going on vacation and wants to leave his friend enough money to feed his pets. tom has d dogs and c cats and spends $2.50 per day to feed each dog and $1.75 per day to feed each cat. how much do it cost to feed his cat in a week