Find the number of real solutions of each equation using the discriminant.

1: x^2 + 25 = 0

2: x^2 - 11x + 28 = 0

3: x^2 + 8x + 16 = 0

The streets of millston are laid out like a grid, with each square block being the same size. the distance form the movie theater to a restaurant is 1/2 mile along cabot street.

What is the value of r s t when r = 26, s = - 12, and t = - 8? A. 6 B. 22 C. 30 D. 46

What is the volume of a shape that has 13h, 13l and 10w

Find the product. - 1/4y (2y^3 - 8)

Jeremy ordered 3 large pizzas and had them delivered to hs home. The total cost of the pizzas including a $6 delivery charge was $42. Each pizza was the same price. What is the cost of one pizza?

Norma received one penny on first day of the month and each day after that she received triple number of pennies

Round-trip bus fare is $2. Justin rides the bus 5 days a weeks to work and 2 nights a week to school. He can buy a pass at school that allows 6 months of unlimited bus rides for $400.

Suppose that the number of inhabitants of country a is given by y=-7.24x+937.69 million, and the number of inhabitants of country b is given y=2.16x+834.29 million, where x is the number of years since 1960.

What is the sum of the geometric sequence 1, 3, 9, if there are 11 terms?

What is the volume of a sphere if the radius is six