Month revenue cost 1 300 250 3 310 280 7 340 320 10 375 350 below is a table of revenue and cost, in thousands of dollars, of a business. use the best fit line to estimate the number of months until the business is no longer profitable. a) 11 b) 13 c) 18 d) 21

What is the solution of sqrt x+2-15=-3

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.