Which of the following statements are true for a trapezoid?
it is a quadrilateral
it has two right angles
it has only one pair of parallel sides
any sides can be the base
the end points of the altitude are on each base.

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.

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

Can you divide 25 into 4 equal groups? explain why or why not.