Answer:
Step-by-step explanation:
As the angles are supplementary, they sum up to 180
Hence, 3x+40+80=180
3x+120=180
3x=60
x=20
Answer:
probably a. metres
Step-by-step explanation:
hectometres are huge and the other two are super small so thats my guess lol
4/5 + 8/9. First we have to find a common denominator for

and

.

Now we are going to add:

Make

a mixed number:

So the answer is
The end of his round on Saturday was a -5, and the end of his round on Sunday was a 0.
Answer:

Step-by-step explanation:

Cross multiply,
q(t+3) = 2 - 4t
Use distributive property: a*(b + c) =(a*b) + (a*c)
qt + 3q = 2- 4t
qt + 4t + 3q = 2
qt + 4t = 2 - 3q
t(q + 4) = 2 -3q
