K well uh i don't know what u meant but the 4th one i think so u
Answer:
148°
Step-by-step explanation:
x = 180 - 32 = 148°
(Supplementary angles)
Answer:
Because the kind of compounfds that you try to determine using paper chromatography (organic compounds) are usually not soluble in water. Furthermore, water could react chemically with some of this compounds, because it's a very reactive molecule. You need organic solvents that are mostly inert.
Answer: in decimal form its -2.17
exact form is -37/17
and mixed number form its -2 3/17
