Let Z₁ and Z₂ be any two complex numbers such that Z₁² + Z₂² + Z₁Z₂ = 0.

What is the value of (½) + Re(Z₁ / Z₂)?

Two dice each numbered from 1 to 6 are thrown together. Let A and B…

Two dice each numbered from 1 to 6 are thrown together. Let A and B…

An urn contains one black ball and one green ball. A second urn contains one…

An urn contains one black ball and one green ball. A second urn contains one…

What is the most probable number of successes in 10 trials with probability of success…