Two boys who live 14 miles apart start at noon to walk toward each other at rates of 3 mph and 4 mph respectively. in how many hours will they meet?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2