The sum of two numbers is - 10. If one number is subtracted from the other, their difference is - 2. Find the number

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

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?

Which number line correctly shows 0.8 + 0.3?