Can this polynomial be simplified to a difference of squares 16a2 – 4a + 4a – 1

Someone . me. compound probability

Find the solution set of this inequality. select the correct graph. |8x+16|> 16

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.