Pls help me i will mark the person who answers it correctly with step by step explanation as brainliest. The shape of Greg's study is a rectangle 575cm long by 325cm wide.
a work out the area of Greg's study in square metres.
show how to use estimation to check your answer.
Flooring costs $52 per square metre.
It is only sold in whole numbers of square metres.
b How much will it cost Greg to buy flooring for his study?
Show how to use inverse operations to check your answer.

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

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?