X² + 2x - 3 = 0 How do I sole this quadratic equation to get its two roots? Please indicate the steps leading to the solution.

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.