Chords ab and be are congruent, ac = 14 cm, and cd = 11 cm. calculate the perimeter of bcdf.

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

Charlie tosses five coins.what is the probability that all five coins will land tails up.

Find the interior angle of a regular polygon which has 6 sides