What are the coordinates of the vertex for f(x) = 2x2 + 4x + 9?

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5

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.