please do not waste my points I don't have a lot left so please answer these honestly. please take your time.

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

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.

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?