Answer:
A and B any atom or group or atoms with a negative charge
Answer:
what the heck its too much to me
Step-by-step explanation:
Answer:
rule add 15 subtract 10
Step-by-step explanation:
rule add 15 subtract 10
Answer:

Step-by-step explanation:
Given
The attached triangle
Required
Find y
The attached triangle is isosceles; so:

Also, we have:
--- angles in a triangle
Substitute: 

Collect like terms

