Evaluate 9-\dfrac{8}S9− S
8

9, minus, start fraction, 8, divided by, S, end fraction when S=4S=4S, equals, 4.

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

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.