Ihave a baseball card. its present value is 80% more than i paid for it. my friend offers me $27 for the card, which is only 2/3 of the card's present value. how much did i pay for the card?

What is the correlation coefficient for the data? don't forget to turn the diagnoisticon (in the catalog menu of the calculator). r = answer (round to the nearest thousandth)

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have