Which paycheck will leave Art with more money to spend? How much more money?

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms