Suppose 60 percent of kids who visit a doctor have a fever and 40 percent of kids with fever have sore thoats what the probability that a kid who goes to the doctor has a fever and a sore throat

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.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Find the domain of the following expression: 1/(√x)-2