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

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

See attachment below and find the equivalent of tan(∠qsr)

What is fraction that is equivalent to 3/8