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.?
At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.