Evaluate 3x+y3x+y when x=13x=13 and y=−74y=−74. write your answer as a fractionin simplest form.

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

In a right triangle δabc, the length of leg ac = 5 ft and the hypotenuse ab = 13 ft. find: b the length of the angle bisector of angle ∠a.

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume