How many 4-digit combinations can be made out of the numbers 1 2 3 4 5 6 7 8 without repeating the numbers in the same digits can you give me all sequences from 1 through 8 jnieves1262@aol. com you

Using elimination, what is -4x+2y=-12 4x+8y=-24

How do u write a function for the reflection across the y axis

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.