A surgical technique is performed on seven patients. It is a 70 percent chance it is successful. If it is performed on five patients what is the probability it being successful?

a phone company charges for service according to the formula: C (n) = 10+0.08n, where n is the number of minutes talked and C (n) is the monthly charge, in dollars what is the slope?

One T-shirt is sold for every 5 people who attend a concert. What is one way to write the unit rate in words? 1 T-shirt for every 5 people 1 person per 5 T-shirts 5 T-shirts for each person 5 people per T-shirt

bella pays 7 payments of $5 each to a game store. She returns one game and recieves $20 back. what is the change to the amount of money she has?

Suppose A is a 3X3 matrix and b is a vector in R3 such that the equation Ax = b does not have a solution. Does there exist a vector y in R3 such that the equation Ax = y has a unique solution?

Why tanX is not differentiable?

N a concert band, the probability that a member is in the brass section is 0.50. The probability that a member plays trombone, given that he or she is in the brass section, is 0.36.

Show it four ways 15+18=33

Find the value of 5.2^2

You draw two cards from a standard deck of 52 cards. What is the probability of drawing a club and then a diamond consecutively from the deck without replacement?

Find the lowest common denominator of 3/x3y and 7/xy4