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What is the surface area of a right cone with a radius of 20 and a height 15? State the final answer in exact form.
please show work on a piece of paper :)

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.

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