Answer:
First one...
Step-by-step explanation:
Welp I mean if you look at the numbers -12, -3 and 7 you can see how they corrspoond to the points plotted on the first number line.
Let the first integer be
. So, the next even number is 
Let's translate the formula: the square of the second is
, twice the first is
. So, the equation is

Expand the square to get

The solutions to this equations are

So, the possible consecutive even numbers are

Answer:
A = 102m squared (Brainiest?)
Equation = b x h / 2
Step-by-step explanation:
A = (12 x 17) / 2
A = 204 / 2
A = 102m squared
Answer and Step-by-step explanation:






The side of a cube when the diagonal is known is found using the formula:
Side = √3 * diagonal/3
Replace diagonal with 20:
Side = √3 * 20/3
Side = √3 * 6 2/3
Side = 11.547 cm (Round the answer as needed).