Dante, Cooper and Maria are friends. If Dante is twice as old as Cooper and Maria is one year older than Dante. Which expression below BEST represents the sum of their ages. Select one:

a. 5x + 1

b. 2( x  + y)

c. 2x + y

d. 5xy

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?

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

Which of these tools or constructions is used to inscribe a hexagon inside a circle?