Daron has a cord that is 12 inches long and another one that is 21/2feet he connects the teo cords what is the total length , in inches, of the two cords? show your work

Acoin is tossed twice. let e e be the event "the first toss shows heads" and f f the event "the second toss shows heads". (a) are the events e e and f f independent? input yes or no here: yes (b) find the probability of showing heads on both toss. input your answer here: preview

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items