I want to know my grade if I have an 86 and I get a 0 and it’s worth 20% of my grade what will my grade be?

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

Alarge cheese pizza costs $18. each topping you add on costs $1.50. how much would it cost to get a large cheese pizza with cc toppings added? write your answer as an expression