6to the power of 2 +5×(-6)-4=-70 right

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

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?

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?