Sandy used a semicircle and a triangle to make the figure below. What is the best estimate of the area
of the figure in square centimeters?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.