Which of the following cannot be solved using the quadratic formula?
A. -3x2 – +3 = -3x2
B. 0 = x²
C. 0= 2x² – 1
D. 2 + 3x - 2 = 4x2 - 5x - 1

In the pendulum formula t=2pi. read the problem on the picture ! ; $; $; ! ; ! ; ! ; )$; ! ; ! ; ! ; $; $; $! ; ! ; ); $; $$

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

With finding limits of multi variable !