Consider the expression 8a + 16c. Part A
Factor the expression using the GCF.
2(4a + 8c)
4(2a + 4c)
8(a + 2c)
16( 12 a + c)
Part B
What is the value of the expression when a = –5 and c = –1? Enter your answer in the box.

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

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?

What is y times x by? y is __ times x