I just tried to help someone with the same problems. I hope this helps you
Answer:
Step-by-step explanation:
(a,9).......we dont know " a " (or x) but we do know y...it is 9
so sub in 9 for y and solve for x
y = 2x + 1
9 = 2x + 1
9 - 1 = 2x
8 = 2x
8/2 = x
4 = x <======= ur answer is D
Answer:
19
Step-by-step explanation:
15z-14z=12+7
z=19
Answer:
Each student gets 2 1/3
Step-by-step explanation:
So you would divide 7 by 3, which you can't...so 6 divided by 3 is 2, and when you split the last one into thirds you can each have 1/3. Add the sections together, and each person gets 2 1/3
Answer:
I think humans live in these places.
Step-by-step explanation:
I think humans live in these places because they are man-made structures made for civilizations, for example the houses and roads.