He is rich and famous and expects everyone to _________

? + (35)² = (130)² - (45)² - 2850

If a + b + c = 6, a² + b² + c² = 14 and ab + bc+ ca = 11, then what is the value of a³ + b³ +c³ –3abc?

Solve the system:

x + 2y = 13

3x − y = 5

What is the value of 2x + y?

Simplify the expression:
3x + 5y - [(7x + 3y) - (2x + y) + 4y] - x

Find the value of ‘x’ in the given expression:

(49/16)^x × (64/343)^x-1 = 4/7

If √p + (1/√p) = 12, then find the value of p + (1/p).

If x = 19, then the value of x⁵ - 20x⁴ + 20x³ - 20x² + 20x - 1 is

The area of △ ABC is 44 cm² . If D is the midpoint of BC and E is the midpoint of AB, then the area of △ BDE is