The mass of a rabbit is 4 kilograms. The mass of a mouse
is 45 grams. How much greater is the mass of the rabbit?

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

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.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?