Evaluate the expression when b = - 4 and c = - 5.

2b-c

Stan made 14 of 20 free throws in basketball practice. Predict the number of free throws he would make if he attempted 100 free throws.

What is the value of 10C3? A. 30 B. 120 C. 720 D. 1000

The cost of 3 pens 2 pencils is $8 the cost of 2 penalties is $6 find the cost of a pen and pencil.

8. Cora's Bike Shop charges $16 per hour to rent a bicycle and a helmet. Dave's Bike Shop charges $11 per hour for the bike and a flat fee of $5 for the helmet rental. For what number of hours are the total charges at both bike shops the same?

Which represents the solution (s) of the system of equations, y = x2 - 6x + 8 and y = - x + 4? Determine the solution set by graphing.

1 fifth of 50% ...

What is the answer to 6 (x + 2) - x = 4 (x + 4) + 7

A store pays $3for a magazine. The mark up price is 5%

How do you couculate Pi? So I can continue to find the number by hand. I'm trying to beet my classmates in who can get highest but I don't know how to find the numbers.

The probability that Lexie is on time for given class is 98 percent. If there are 89 classes during the semester, what is the best estimate of the number of times out of 89 that Lexie is on time to class?