Subtract the following polynomials, then place the answer in the proper location on the grid. write answer in descending powers of x. 3x-5x+12 5x^2+x-11

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 frequency of the sinusoidal graph?

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?