Which statements are true. 1.all rectangles are quadrilaterals. 2.all squares are parallelograms. 3.no trapezoids are parallelograms. 4. All rectangles are squares.

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable