Amuseum has a 1/2 ounce piece of a precious metal. when the museum first received the piece, it had a value of $90. its value has since decreased by 20%. what is the current value per whole ounce of the piece of metal?

question options:

$72.00

$144.00

$36.00

$180.00

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers

Can someone me with the property questions for 12 13 and 14 plz

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.