Answer both questions

the amount paid for different weights of oranges at a farmer’s market are shown below.
(lb) ($)
2 3
3 4.50
5 7.50
? 12

(a) is the relationship between the price and the weight of the oranges proportional? use the first three rows of data to answer this question. show your work and explain.

(b) how many pounds of oranges cost $12? show your work.

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Sh what is the value of x? ox= 2.25 x = 11.25 ox= x = 22 1 (2x + 10) seo - (6x + 1) -- nie

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?