If x ¤ y = (x + y)² - (x - y)² Then √5 ¤ √5 =
a. 0
b. 5
c. 10
d. 15
e. 20

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

Find the ratios of the corresponding sides

How do you write 600 as a product of its prime factors (index! )