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What is the surface area of a cylinder with base radius 3 and height 8?
Either enter an exact answer in terms of Tt or use 3.14 for it and enter your answer as a decimal.

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?