The second one is the best answer in my opinion i'm not sure.
One with 40cm being the side, 70 diagonal and 80 as the base so it is a right angle triangle
(-2, 2) multiplied by 2.5 is given by 2.5(-2, 2) = (-5, 5)
while (2, 1) multiplied by 2.5 is given by 2.5(2, 1) = (5, 2.5)
I have drop in a file for u to see it.
Answer:
x=12
Step-by-step explanation:
you just have to add 2 to both sides to get x by itself and 10+2=12. therefore, x=12
