Let |rl = 6 at an angle of 30° and s = 11 at an angle of 225°. Which expression represents Ir - sl? V62 +112 - 2(6)(11) cos(150)

V62 + 112 - 2(6)(11) cos(45°)

V62 + 112 -2(6)(11) cos(1659)

V62 + 112 -2(6)(11) cos(255°)

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?

At the county fair, animals are judged for the quality of their breeding and health. the animal pens are arranged in an array, with one animal in each pen. a barn can hold at most 10 rows of pens and at most 6 pens in each row, with room for people to walk around them. what different ways can the planners of the county fair arrange the pens for the horses and cows in the same barn?

If point a= (10,4) and b= (2,19) what is the length of ab 17 units 15 units 23 units 12 units