I believe the answer is D. because -12 + -1 equal -13
The ratio between the masses of Jupiter and Venus is

We can separate the coefficient and the powers of ten:

Use the exponent rule

to simplify the powers of 10:

So, the ratio is

So, Jupiter has a mass that is approximately 400 times greater than Venus's.
Answer:
264.
Step-by-step explanation:
Let x represent the number of trout in the lake.
We have been given that a group of naturalists catch, tag and release 121 trout into a lake. The next day they catch and release 48 trout, of which 22 had been tagged.
Using proportions, we will get:






Therefore, there would be approximately 264 trout in the lake.
Answer:
Step-by-step explanation:
4x + 2y = 6
isolate the y term
2y = -4x + 6
divide by the coefficient of y
y = -2x + 3
Answer:
I ain't sure but I guess it's option B .