In order for any polygon to be regular, which of the following statements must be true?

the interior angles are congruent to their exterior angles.

all the diagonals bisect each other.

opposite pairs of sides are parallel.

all interior angles and sides are congruent.

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?

Line a is parallel to line b, m2=4x+44, and m6=6x+36. find the value of x.