A company that makes hair-care products had 2,000 people try a new shampoo. Of the 2,000 people, 8 had a mild allergic reaction. What percent of the people had a mild allergic reaction?

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.

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

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