Which one of the following statements about quadrilaterals is true?

a.) a quadrilateral with only one set of parallel sides is a square.
b.) a quadrilateral with a right angle is a rhombus.
c.) a quadrilateral with two pairs of parallel sides is a trapezoid.
d.) a parallelogram with a right angle is a rectangle.

An alien has just landed from the planet, iksnimak. he would like to leam how to add two fractions when thedenominators are the same. write a paragraph that explains to our alien friend, in your own words, the detailsabout how to add the fractions, how to change the result to a mixed number, and how to reduce the fractionpart. use this problem as your example: the two fractions are 5/8 & 7/8

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?