Match each shape with its corresponding formula for area. 1. parallelograms a = pi r2 2. triangles a = 1/2 (b1+b2)·h 3. trapezoids a = 1/2 b·h 4. circles a = b·h

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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.

5cakes cost 3.50 how much do 7 cakes cost