There is a quadrilateral FGJK in which side FG is parallel to side JK and point H is the midpoint of side GJ and point L is the midpoint of side KF. The points H and L are joined together to form line segment HL. The length of side JK is 12 and the length of side FG is 2.5 times the length of side JK. What is HL?

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?