Answer:
Since i don't know what formula is mentioned. I just used the easiest way to solve :)
Step-by-step explanation:




To find the area of a triangle, you multiply the base times the height and multiply it by 2.
In order to find the height, you need to do this in reverse.
1.multiply 24x2
2. Find possible multiples.
3. 4x12=48, 12(the base) is three times four, and 48/2 is 24.
Answer: the height of the triangle is 4
7 and 4
7+4=11
7•4=28
Hope it helps
Answer:

Step-by-step explanation:

<em>Replace it with y</em>

<em>Exchange the values of x and y</em>

<em>Solve for y</em>

<em>Subtracting 1 from both sides</em>

<em>Dividing both sides by 2</em>

<em>Replace it by </em>
So,

Answer:
0
Step-by-step explanation:
pretty easy tbh