Which expression shows the perimeter of the yard shown here as the sum of its sides? (2y +
y + 3y – 4y) + (4 – 2 + 6 + 1)
(2y + 4) + (4y + 1)+ (
y + 6) + (3y – 2)
(2y + 4) × (
y + 6) × (3y – 2) × (4y + 1)
2(2y + 4) + 2(
y + 6) + 2(3y – 2) + 2(4y + 1)

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

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?

Agrid shows the positions of a subway stop and your house. the subway stop is located at (-5,2) and your house is located at (-9,9). what is the distance, to the nearest unit, between your house and the subway stop?