I NEEDDD HELP QUICK I’LL MARK AS BRAINLIEST

1) Our Integrated 1 class decided to help out the homeless. The total number of boys and girls in
our class is 32. For the fundraiser each boy contributed $3 and each girl contributed $5. A total
of $124 was collected. How many boys and how many girls are in the class?
a. Define your variables
b. Write your equations
C. solve the system. (Show your work on separate paper)
c. State your conclusion in a complete sentence.

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?

You use technology ans find a sum of 6.712e-8. write this sum in standard form

Harold moves no more than 43 of his sheep and goats into another field fewer then 22 of his animals are goats