A box contains 10 batteries of which 6 are still working. Jada starts picking batteries one at a time without replacement from the box and testing them to see if they work. Find the probability that all of the first 3 she chooses will work?

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet