PLEASE HELPP!!!

Select all the polygons that have reflection symmetry.

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?