You add another row and the row has to be one taller than the row before it
Answer:
Step-by-step explanation:
-2⁶ = -(2⁶) = -(64) = -64
(-2)×(-2)×(-2)×(-2)×(-2)×(-2) = (-2)⁶ = (-1⋅2)⁶ = (-1)⁶⋅2⁶ = 1⁶⋅2⁶ = 64
Answer:
In 2013 there were approximately 2.2 million cars for sale.
Step-by-step explanation:
Since the number of cars is decreasing by 23% per year, it is a decay model. This types of decay can be expressed in the following expression:

Where x is the year, cars(2007) is the number of cars in 2007. Applying this data we have:

If we want to know the number of cars in 2013, we need to apply that value to x and solve the expression.

In 2013 there were approximately 2.2 million cars for sale.
Answer:
29 ml of salt
Step-by-step explanation:
50 ml = 4 ml of salt
75 ml =?
If 50 ml is 4 ml of salt, and 75 ml is 25 ml more than 50 ml, just add 25 ml to the 4 ml of salt to get 29ml.