Lois writes a multiple choice test. test has 5 questions. each has four possible answers. lois didn’t study for the test so she guesses for each question find the probability of her answer all 5 questions correctly. Her answer the first two questions correctly. She answers all questions incorrectly.

The equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true? a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of 5/9 degree celsius. a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit. a temperature increase of 5/9 degree fahrenheit is equivalent to a temperature increase of 1 degree celsius. a) i only b) ii only c) iii only d) i and ii only