8x^(2)+16x=42 completeing the square

15/16 as a decimal rounded to the nearest hundredth

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

Plz : denver is about 5,200 feet above sea level. which number line best represents this integer?