Answer:
I used desmos to graph this.
Answer:
they have two congruent angles or AA
Step-by-step explanation:
Answer:
117.39
Step-by-step explanation:
The other number is a negative and the opposing is a positive
Decimal fractions don't exist. Do you mean convert to a decimal and a fraction?
Answer:
Johnny is wrong.

Step-by-step explanation:
Johnny is wrong.
A better definition would be:
is the set of all elements that belong to at least one A or B.
So, the elements that belong to both A and B, like c and d in this exercise, also belong to
.
So:
