Sailors traditionally measure speed in knots or nautical miles per hour . A nautical mile is based on the circumfrance of earth and 1 nautical mile =1.15mile. If a ship traveling at 15 nautical miles oer hour how fast is it going in feet per second ?

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x