Suppose the weights of 1 year-old boys are approximately normally distributed, with a mean of 22.8 Ibs and a standard deviation of about 2.15. if we randomly select a 1-year-old boy, what is the probability that he'll weigh more than 20 pounds?

Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.