Asubmarine is 600 feet below sea level. it is rising to the surface at a rate of 15 feet per hour. which expression represents this scenario?

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Explain in a minimum of 2 sentences how to graph the equation of the absolute value function given a vertex of (-1,3) and a value of “a” equal to ½.