Starting at sea level, a submarine descended at a constant rate to a depth of −5/6 mile relative to sea level in 4 minutes. what was the submarine's depth relative to sea level after the first minute? enter your answer in the box as a fraction in simplest form.

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

Which of the following is true for the relation f(x)=2x^2+1