Y=2x
y is the amount of money made from the sold books
x is the number of books that are sold (it is x because you don't know how many will be sold, so you have to account for all possibilities)
2x is because every book is sold for 2 dollars, so that mean x is multiplied by 2 to get y
7/10 because it equals 70 percent
Answer:so where is the question
Step-by-step explanation:plzz ask probably
Given:
A right triangle on a coordinate plane.
To find:
The area of a triangle.
Solution:
We know that, the area of a triangle is

From the given figure it is clear that the base of the triangle is 4 units and the height is 3 units. So, the area of the given triangle is



The area of the given triangle is 6 units². Therefore, the correct option is B.