A bag contains 4 types of coins. - 2 Pennies - 2 Nickels - 2 Dimes - 4 Quarters A coin will be randomly selected from the bag. What is the probability in decimal form the coin selected will be a quarter? (Hint: Write your probability as a fraction first, then convert to a decimal.)

What is the base of 1/9 to the power of 2

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol