In a deck of 52 playing cards, there are 13 different cards in the deck that are hearts. What is the probability that if you cut the deck, you'll get a heart?

Which shapes can the figure be divided into so that only the formulas A = b h and A = one-half b h need to be applied to find its area? A shape can be broken into a parallelogram and a triangle.

A box contains 10 items, of which 3 are defective and 7are non defective. Two items are randomly selected, one at a time, with replacement, and x is the number of defectives in the sample of two. Explain why x is a binomial random variable

Henry sold 1/4 of his candies to raise money for the band. He has 21 candies left. How many candies did Henry start with? a. 20 b. 18 c. 30 d. 28

IF TAN 45 = x/20, solve for x.

2x+2y=4 y=12-3x Substitution

Calvin buys 3/5 pound of ground beef. He divides the beef into 6 equal portions. What is the weight of one portion of beef?

If the music store is selling 4 CD's for $56, how much does 1 CD cost?

How many times does 3 fit in 50

The surface temperature on Mars can range from - 17.2°C to - 107°C. Which temperature is lower?

In the triangle below, what ratio is sin θ? right triangle with sides whose lengths are 5, 12, and 13; angle theta is opposite the side whose length is 12