Answer:

Step-by-step explanation:
First transpose 3x
you are having 3x+4y=7
by transposing you will get
4y=-3x+7
divide by 4 throughout by making y subject of the formula you will find your equation as y=mx+c.
Answer:
we need the numbers... or like the coins, or something to solve it with. you need to include what was actually in here pocket lol
-19.2
12/(-5/8) means 12*(-8/5)
12*8=96
96/5=19.2
don’t forget the negative sign
so
-19.2
The answer to that is 2,180,000
If it's described as my drawing:
The distance of downstream will be 375 * tan25 = 174.87 feet