Please I need help asap! Find the particular solution to y ′ = sin(x) given the general solution is y = C − cos(x) and the initial condition y of pi over 2 equals 1.

−cos(x)
2 − cos(x)
−1 − cos(x)
1 − cos(x)

How do you find principle and simple interest

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

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?