Write a trinomial which is degree 2, where the coefficient of the highest degree term is 7.

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.

Describe the domain and range of y=2(3)^x-2+5

We just started the introduction into circles and i have no idea how to do this.