The temperature of a pan of hot water varies according to newton's law of cooling: , where t is the water temperature, a is the room temperature, and k is a positive constant. if the water cools from 90°c to 85°c in 1 minute at a room temperature of 30°c, how long (to the nearest minute) will it take the water to cool to 60°c?

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Which system of linear inequalities is represented by the graph? x-3y > 6 and y? 2x + 4 x + 3y > 6 and y? 2x - 4 x - 3y > 6 and y? 2 - 4 x + 3y > 6 and y > 2x + 4 no be 2 -1.1 1 2 3 4 5 submit save and exit next mark this and retum be