Answer:
The triangles are indeed congruent I know this because if you look at the lines on each side of the triangle they're the same. Another way I know it because They're both right angles. So, if you put them side by side they would be identical.
Answer:
Either mean or median
Step-by-step explanation:
1,2,3,5,5,6,6,7,7
Median=5
Mean=42/9=4.666=4.7
Answer:
20r+15n
Step-by-step explanation:
just flip the equation
Hello!
When you use sum you add
-2.1x + 3.7 + 5 + 4.9x
Now you add the variables and the constants
-2.1x + 4.9x = 2.8x
3.7 + 5 = 8.7
Combine the two
2.8x + 8.7
The answer is 2.8x + 8.7
Hope this helps!