St. bernard's birthweights at a local hospital have a normal distribution with a mean of 110 oz and a standard deviation of 15 oz. the proportion of st. bernard puppies with birthweights between 125 oz and 140 oz is:

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

The table below lists recommended amounts of food to order for 10 party guests. how much of each food item should nathan and amanda order for a graduation party with 55 guests? use the table to answer. item amount fried chicken 16 pieces lasagna 7 pounds deli meats 1.8 pounds sliced cheese 1 and two fifths pounds bakery buns 1 dozen potato salad 2 pounds

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?