Answer:
x=0.4, x=-1.2
Step-by-step explanation:
Answer: AB = 30cm, BD = 16cm, CD = 30 cm, AC = 16 cm
Diagram should be the same thing, except doubled the size of the original.
Explanation: Just multiply each side by the scale factor.
Answer:
The answer is B
Step-by-step explanation
It's a system ranking people in a hierarchy
For this case we can propose an equation that will allow us to find the price of one of the books knowing the price of the other.
x: Let the variable that represents the price of the book with a green sticker
y: Let the variable that represents the price of the book with a yellow sticker
According to the statement we have:


Finally, we can substitute the price of one of the books and clear the value of the other as the case may be.
Answer:

All you do is multiply 15 and 6 you get 90. then divide 90 by 9 and you get 10.