Gym a charges 9.00 per hour of child. gym b charges 0.75 per 5 minutes of childcare what's more accurate?

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)

What is the value of the discrimination for the quadratic equation 0=×2+2+×2

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).