At a local hospital,35 babies were born. if 24 were boys , what the percentage of the newborns were boys

What is the chemical formula of the following compound

Drive down any three characteristic of modern periodic table

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils