A.) x (5 + x) = 5x + x^2
B.) 2 (5 + x) = 10 + 2x
Answer:
A) 52 units
Step-by-step explanation:
The length of a line joining 2 points on a number line is given by the difference between the co-ordinates of the 2 points.
Therefore PQ= 
Hence the length of the line is 52 units
20 and that should be correct, if you need an explanation just ask
1) 216
2) 203
3) 315
4) 256
5) 576
6) 440