Find the perimeter of the following figure.
a. 32 ft
b. 40 ft
c. 48 ft
d. 52 ft

What is the frequency of the sinusoidal graph?

The acceleration of an object due to gravity is 32 feet per second squared. what is acceleration due to gravity in inches per second squared?

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?