Answer:
True
Step-by-step explanation:
Squares are quadrilaterals with 4 congruent sides and 4 right angles, and they also have two sets of parallel sides. Parallelograms are quadrilaterals with two sets of parallel sides. Since squares must be quadrilaterals with two sets of parallel sides, then all squares are parallelograms.
Answer:
i need to know what for
Step-by-step explanation:
You would follow pemdas. parentheses, exponents, multiplication, division, addition, subtraction. you do the multiplication or division first and then solve the rest of the equation.
18+ 13 gives you 31 so the difference between 13 and 31 is 18.
the answer is 31