A man sells an article at a loss of 15%, but if he had charged Rs 3 more, he would have made a profit of 5 %. What did the article cost him?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Can some one explain this i got sent this. is this a threat i’m scared

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?