The mean of Hannah’s last 6 javelin throws is 161 feet. What is her mean absolute deviation? Last 6 throws: 149 ft, 153 ft, 159 ft, 166 ft, 167 ft, 170 ft

MAD = feet
please help

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.

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2