Convert 50 feet per second to miles per hour. round to the nearest hundredth. show work

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

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Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15