The school pool needs to be refilled after emptying it for winter cleaning .water flowing through both a small pipe and large pipe can fill the pool in 7 hours. water flowing through the small pipe alone can fill the tank in 18 hours . how many ours would it take to fill the tank using only the large pipe?

Me asap! what is the slope of this line? enter your answer in the box.

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.

Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?