7. At the end of one day, the value of a share of a certain stock was $12. Over the next
three days, the change in the value of the
share was - $1, then, -$1, and then $3.
a. Write an expression that describes the
situation.
b. Evaluate the expression.
c. What does your answer to part b mean
in the context of the problem?

What is the y intercept of f(x)=(1/2)^x?

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)