Great valley state park charges $10 for admission to its camping grounds and $17.50 per night for a campsite ( Ranger Rick realizes that a function rule can be used to generalize the situation. Write a function rule to represent the total cost of camping at Great Valley as a function of the number of nights camped. Be sure to define the variables you use in your function rule.) please help this is for TESTTT!!!

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

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.

I’m still confused on how to work the percentages