the number of hours that college freshman spend studying each week is normally distributed with a mean of 8 hours and a standard deviation of 5.5 hours. what percentage of students spend between 2.5 and 19 hours each week?

Write an equivalent expression for 4g+2 using the distributive property.

A square is a quadrilateral always sometimes never

Two math classes took the same classes

Solve for y. 2y^2+5y+63 = (y+7) ^2

A deli has five types of meat, two types of cheese, and three types of bread. How many different sandwiches, consisting of one type of meat one type of cheese, and one type of bread, does the deli serve? * A25 C) 30 B) - -75 D) 10

Four friends bought 10 lbs of nuts and shared them equally. How many pounds if nuts did each friend get

Ten friends went to a local restaurant and all had the buffet at $6.75 each. Seven friends added ice cream for dessert for $1.99 each. Since it is a large group, a tip of $15.00 for the waitress was added. The following is the restaurant bill.

Betsy wants to paint the walls of her bedroom. Her bedroom measures 8 ft. by 10 ft. and has 8 ft. ceilings. Not counting doors and windows, how many square feet of wall will Betsy need to paint? 288 80 128 160

One winter the cost of bananas cost $0.80 per lb. The next winter the cost was $1.05 per lb. What was the percentage increase?

Which number is in the hundredths place 4982.6173