I would say that the formal qualifications for serving in the Senate are that you A. must be at least 30 years old and B. must be a US citizen, for at least nine years.
The last one, as the the scale factor is 3. If we divide each side of the first triangle by their corresponding sides, such as (21/7, or 6/2), we get the same result, which is 3. All others are wrong because in the first one we are not giving all sides, and the second one doesn’t have the same scale factor for its sides. Hope this helps.
If you're asking the height of the triangle, it is 2x-1.
I got the 2x from "twice the length of the base"
and (-1) from "1 cm less"
Equation:
Y-3 =-8
Step-by-step explanation:
Y-3 = -8
add 3 from both sides
y= -5