A"jersey" coin is designed so that the probability of getting a heads is 80%, and the probability of getting a tails is 20% on any given toss. what is the probability of tossing the coin 4 times and getting only tails?

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?