1.9 + b = -3.2 are you smart?

On their way home from school. terri and evie started walking out for two blocks and then running for three blocks and then repeating that pattern. if they can walk a block in 2 minutes and run a block and 45 seconds how long will it take them to go 18 blocks?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8