Terry is making 2 hat and scarf sets. Each scarf requires 3 yards of material and each hat requires 18 inches of material. How many feet of material does he need for all 2 hat and scarf sets?

He will need _ feet of material for all 2 hat and scarf sets.

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

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?

Tell whether the two rates form a proportion