8th grade math, please help. I’ll give you brainliest if you want.

-Find the volume-
*links are reported*

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

See attachment below and find the equivalent of tan(∠qsr)

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?