Answer:
A and B any atom or group or atoms with a negative charge
Answer:
Congruent
Step-by-step explanation:
Congruent figures are all figures that have the same number of sides, with the same length, and the angles between the sides have the same values.
Answer:
a + b = 28
b = 31
Step-by-step explanation:
i hope it's correct but I am not sure tho :)
A figure that has no endpoints is called a line.
Hope this helps you with your homework~!
Answer:
40 + x is correct!
Step-by-step explanation: