95 POINTS FOR AWNSER Read this word problem.
In the morning, the temperature was
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10°C. By the afternoon, it had risen to
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2°C. What was the change in temperature from the morning to the afternoon?
To solve the problem, Luke subtracted
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2–(
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10) and came up with an answer of 8°C. Is Luke correct? Why or why not?

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

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?

The first and second steps to solve the equation 3x/5 + 5 = 20.are shown below 3x/5 + 5 - 5 = 20 - 5 3x/5 (5/3) = 15 (5/3)a.addition property of equality b.subtraction property of equalityc.multiplication property of equalityd.division property of equality