Please help me out I really need the answer!

Type the word that could form a compound with each of these words???
down
up
house

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

Which shows one way to determine the facts of x3+4x2+5x+20 by grouping