Step-by-step explanation:
The line above the letter means "complement". If X is a set, the the complement of X (denoted by X with a line above it) is the set of all things not in X...If X is a set, then the complement of X (denoted by X with a line above it) is the set of all things not in X.
Sorry if it was complicated
Answer:
Customary:
Foot, inch, mile, yard.
Metric:
Centimeter, kilometer, meter.
Both:
Area, height, formula, perimeter.
Answer:
x = 180 - (31 + 40)
Step-by-step explanation:
x = 180 - (31 + 40)
Answer:
1/2
Step-by-step explanation:
because 2/4 can be reduced to 1/2
Answer:
The first one
Step-by-step explanation:
For the first choice, the binomial is multiplied by itself, so it will result in a perfect square trinomial.