During a science experiment, peter found the temperature of a certain liquid to be −a∘ centigrade after he had raised the temperature by x degrees. write an expression to represent the temperature of the liquid at the start of the experiment, before it was raised.

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Write the expression as a single natural logarithm. 2 in a - 4 in y