Answer:
-2
Step-by-step explanation:
3-2n=7
-3 -3
-2n=4
divide both sides by -2
n=-2
Answer:
I would like to say 20 but I'm not sure
Answer:
yes
Step-by-step explanation:
for it to be a right triangle you should be able to add two of the sides and it be greater than the third side. 7 + 24 > 25
24 + 25 > 7
7 + 25 > 24 therefore it is indeed a right triangle
Answer:
D.
Step-by-step explanation:
128=11x+18.
-18. -18.
110=11x
————
11. 11
X=10