An object travels 4/5 miles in one-half hour what is its speed

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Which region represents the solution to the given system of inequalities? |-0.5x+y23 | 1.5x+ys-1 5 4 -3 -2 -1 1 2 3 4

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution