The half-life of carbon-14 is approximately 5730 years. a) If we have 50 g carbon-14 today, how much is left in 50 years? (3 points)
b) If an artifact that originally contained 90 g of carbon-14 now contains 7 g of carbon-14,
how old is it?

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Jubal wrote the four equations below. he examined them, without solving them, to determine which equation has no solution. which of jubal’s equations has no solution hurry

Consider the image of klmn for the translation (x, y) → (x – 2, y – 1). what is the ordered pair of l′?