11x+3x=14x-19 you get the 19 from adding 15 and 4 together
Some things we should know before we start:
- Parallel lines are lines that never meet and which are straight.
- Perpendicular lines are lines that intersect at a 90° angle.
A picture of different types of lines will be shown below
A picture of the graph will be shown below.
Looking at the graph, we can see that lines intersect and seem to have a 90°.
Therefore, they are perpendicular.
Best of Luck!
Answer:
The random sample is D. The other 3 cannot be taken as random since they involve groups at a specific place or doing a specific thing.
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
A