12.347
- 9.432
------------
2.915
The answer is:
D. 2.915 kilometers
RS+ST= RT
(7Y+3)+(2Y+9)= 14Y-8
9Y+12=14Y-8
5Y=20
Y=4
Answer:
B
Step-by-step explanation:
11 13 18 19 22 25 29 32 37 37 38
find the median (25)
with 11,13,18,19,22 find the middle for that (18) Q1
with 29,32,37,37,38 find the middle for that (37)Q3
Q3-Q1
37-18=19
Glass and Titanium. Glass is because (10,40) (y over x) is 4 and Titanium is because (10,60) is 6 cork and lead are not since when dividing y over x it doesn't equal 2.
Only D is correct, it intersects at 90 degrees so it cant be obtuse or acute and never intersecting would be parallel lines <span />
