(x - 9)(x + 9) is your answer. This is called a difference of two squares.
The slope is -4, the slope is always right next to the x value, you could always check on desmos
Answer:
<h2><u><em>
144 cm²</em></u></h2>
Step-by-step explanation:
6 * 8 + 10 * 4 + 8 * 4 + 6* 4 =
144 cm²
first i found the area of the triangle without dividing by two because they are one on each side
I think you mean
so therefor since we can't take squaer root of negative
3t-9 must not be negative
basicaly, 3t-9 must be greater than or equal to 0