To which subsets of the real numbers does the number 22 belong?

Two lines that do not intersect are skew. always sometimes or never

Abari owns 100 shares of stock a and 45 shares of stock b. for the past month, his stocks have been fluctuating inversely. stock a decreased by m cents per share and stock b increased by n cents per share. which equation can be used to find the total change in value of jabari's shares per month?

Astandard doorway measures 6 feet 8 inches by 3 feet. what is the largest dimension that will fit through the doorway without bending?