Find the value of x.
(x + 10)°
64°
The value of x is

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

Write the equations in logarithmic form 9^4=6,561

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)