2. Find x to the nearest tenth.
Х
A. 12.3
B. 13.5
C. 49.2
D. 75.7

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

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?