The roots of the quadratic equation x^2/a^2-b^2=a+b/a-b are

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .

If the line in the graph is shifted up two units which is the equation of the new line

The radius of the sphere is 10 units .what is the approximate volume of the sphere use π=3.14