X = 15
X + 90 = 7x
X = 7x - 90
X - 7x = -90
-6x = 90
Divide both sides by -6
X = 15
Answer:
29 units
Step-by-step explanation:
The length of a segment of a number line is the difference of the coordinates of the end points:
45 -16 = 29
The x intercepts must be 1 and -4, so C.
Answer:
Step-by-step explanation:
We are given the letters:
2
We write the possible permutations of 3 letters from the given list:
3
Because order is not important in a combination we cross out the duplicate pairs:
4