Abag contains 45 marbles of various colors. jon draws 60 times, each time replacing the marble before drawing again. he gets a total of 12 blue marbles. which is best prediction of how many blue marbles are in the bag? explain.

The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 7x + 33, and the other angle measures 70. 5.3 8.14 11 14.7

I'm confused on this could anyone me and show me what i need to do to solve it.

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point