19. No
20. No
21. Yes
23. 1.8 miles
Answer:

Step-by-step explanation:

Answer:
Y1 is parallel to Y2 and L1 to L2.
Step-by-step explanation:
A line is 180°. To find the degree the angles I subtracted 117 and 63 by 180 to find thair respective angles. (Also 117+63 equil 180) meaning that the Y's and L's are parallel to each other.
Hello there.
<span>A density curve for all the possible ages between 0 years and 100 years is in the shape of a triangle. What is the height of the triangle?
Answer: D</span>
469 is the perece to equivalent to 75 becuase it’s bigger