Which pair of lines is perpendicular?
a. y=2x-1 and 2y=-x+3
b. y=3x+4 and 3y-x=5
c. y=-4x+2 and x+4y=6
d. y=-6x-3 and 6x-y=4

If i have one apple and give you the apple, how many apples do i have?

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2