Suppose you turn off the engine of your car when the temperature of the engine reaches 191 °f. if the outside temperature is a constant 66 °f, then the temperature t of the engine t minutes after you turn off the engine satisfies the equation below.
ln
t − 66
125
= −0.07t
(a) solve the equation for t.
t =
(b) find the temperature of the engine 30 minutes after you turn it off. give your answer to the nearest tenth of a degree.
°f

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Ineed no it anyone can see this

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.