If the two straight lines: x- ky - 3=0 and 2x+y -7=0 are perpendicular then k=

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. chapter reference how much punch can she make if she has only 6 cups of plum juice?