Atriangle has side lengths of 20 cm, 99 cm, and 108 cm. classify it as acute, obtuse, or right.

a. acute
b. obtuse
c. right

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.

Which ordered pair is a solution of the equation? 2x+3y=10

What are the triple angle formulas? is it related to double angle identities?