True or false. every quadrilateral is a rhombus.

true or false every rhombus is a quadrilateral.

answer both question. will mark the best the brainliest!
lots of points!

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)