Discover Questions

Rotate the axes to eliminate the xy-term in the equation: 13x²+(6√3)xy+7y²-16=0? If a female w/ high testosterone levels experiences odd hair growth in the stomach/chest/facial region, is this irreversible by medication? Prove that 4/2-x is increasing on (2, infinity)? How do you solve this question? What are the steps/methods? I'm having trouble balancing this equation:
CaO + SO2 + O2 -> CaSO4?