The chart below shows the distribution of the number of books in a library. A circle graph titled Types of Books. The largest proportion is Literature, then Fantasy, then non-fiction, then children's. Sahira chooses a random sample from the library and records the type of books in the chart below. Type of Book Number Fantasy 10 Literature 25 Children’s 4 Nonfiction 11 Which explains whether or not Sahira’s sample is representative?

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

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.