A small business takes out loans from three different banks to buy some new equipment. The total amount of the three loans is $19,000. The first bank offered an interest rate of 16%. The second bank offered a rate of 18% and the amount borrowed from
this bank was $5000 less than twice as much as the amount borrowed from the first bank. The third bank offered a rate of 15%.
The total annual interest was $3050. How much did they borrow from the third bank?

Given that abcd is a rhombus, what is the value of x?

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?

Biggest exam of the which of the following are polynomial functions?