Find the greatest common factor of 8x4y3 and 6x’y.

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.

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)