Ten children in a kindergarten class own a dog. fourteen children in the class do not own a dog. find the ratio of the number of children who own a dog to the number of children in the class. express the ratio as a simplified fraction.

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c

How many ordered pairs of positive integers satisfy xy=32?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?