If a scale factor of 3 was applied to each dimension of a rectangle forming a new rectangle, determine the effects that this would have on the perimeter and area of the new rectangle. (Hint: Think of a rectangle with the dimensions of 2 ft and 6 ft. Apply the scale factor to each dimension. Determine perimeter and area for each and compare.) plz answer ive been stuck on this one ;c

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.