What is the factorization of 49b^2 - 81 ? a - (7b-9)(7b-9)b - (7b-9(b2^+9)c - (7b2^-9)(7b2^-9)d - (7b2^-9)(7b2^+9)

Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false

The triangles are similar. what is the value of x? enter your answer in the box.