Question 1 what is −12÷2/3
question 2 what is -8/3÷7/12
question 3 divide.8.64÷(−0.27)
question 4 starting at sea level, a submarine descended at a constant rate to a depth of −3/4 mile relative to sea level in 5 minutes. what was the submarine's depth relative to sea level after the first minute?
enter your answer in a fraction in simplest form.
question 5 one cold night the temperature was 0 degrees at 8 p. m. the temperature dropped at a constant rate from 8 p. m. to midnight. at midnight the temperature was −16.8 degrees.
what was the temperature at 9 p. m.?