40 because 3+6+12 = 21 and 8+11+21 =40
Answer:
Square
Step-by-step explanation:
The length of AB is (a+b)-a = b. The length of BC is b-0 = b. So, adjacent sides are the same length. AB has a constant y-value, so is horizontal. BC has a constant x-value, so is vertical.
A figure with horizontal and vertical sides of the same length is a square.
Answer:go0gle
gle come in clutch
Step-by-step explanation:
Next, let's solve 3x+2y = 10 for the variable y. Move the 3x to the right hand side by subtracting 3x from both sides, like this: 3x - 3x = 0. The answer is 2y. The answer is 10-3x.
Answer: 40
Step-by-step explanation:
Step-by-step explanation:
We have to simplify the given expression.
We know that:
Therefore, we get:
