Sin (8B+1) = Cos (B +8)

Solve the system of equations. y= 2x y= x^2 - 15

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?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122