Contracts for two construction jobs are randomly assigned to one or more of three firms, A, B, and C. Let X1 denote the number of contracts assigned to firm A and X2 the number of contracts assigned to firm B. Each firm can receive 0, 1, or 2 contracts. FInd EX1. Find VarX1

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Georgia needs to buy flea treatment for her dog. pet store 1 is offering the flea treatment for 40 percent off plus an additional 25 percent off their regular price of $33. pet store 2 is offering the same flea treatment for 55 percent off plus an additional 5 percent off their regular price of $34. which location is offering the better price and how much cheaper is it? the flea treatment is $0.31 cheaper at pet store 2. the flea treatment is $1.05 cheaper at pet store 2. the flea treatment is $2.05 cheaper at pet store 1. the flea treatment is $2.36 cheaper at pet store 1.

What is the 8th term of the geometric sequence with this explicit formula? an= )(n-1)