The ages of turtles are normally distributed, with an average (mean) of 70 years and a standard deviation of 7. Approximately what percentage of the crocodiles are between 60 and 80 years old?

7.64%
84.72%
42.36%
57.76%

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?