Can someone answer this! im desperate! 40 pts try to explain your explanation fully because i don't understand this: the value of a precious gold coin is increasing at the rate of 5% per year. if the gold coin is worth $105 today, what will it be worth in 11 years? i also don't understand how the common ratio is 1.05 if 5% is .05 as a decimal.

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Pls! does anybody know a shortcut for answering these types of questions in the future?

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.