Answer:

Step-by-step explanation:
-3
+ -8
equals;
-3
- 8
Putting it in improper function way:
-
=
= 
in simplified form equals 
Answer:
You have at least a 1 out of 40 chance that your name will be drown
Step-by-step explanation:
Answer:
b = a² + 2a
Step-by-step explanation:
a + 1 = √(b + 1)
(a + 1)² = b + 1 (Square both sides)
a² + 2a + 1 = b + 1 (Expand left side)
a² + 2a = b (Subtract 1)
Answer:
6.36
Step-by-step explanation:
I'm not sure for step by step... or even the answer sorry
15. 11y
16. 8xy
17. -24a
18. -7cd