Mary has a collection of nickels and quarters for a total value of 4.90.if she has 42 coins total how many of each kind are there

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

The distributive property allows you to say that 3(x − 1) = 3x −

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?