Which of the following is true regarding the solutions to the logarithmic equation below?
2logg(x) = 4
log3(x2)-4
x² = 34
x²=81
x = 9.-9
X-9 and X=-9 are true solutions
X-9 and X=-9 are extraneous solutions
X-9 is an extraneous solution and X=-9 is a true solution
x=9 is a true solution and x--9 is an extraneous solution

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?

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old