Answer:
SSS
Step-by-step explanation:
Given that the sides are equal and no angles are given
Answer:
x=5/2
Step-by-step explanation:
Calculate, rewrite, remove the paretheses
Collect the like terms
Swap sides 75=30x swap to 30x=75
Then divide both sides
Answer: Time taken by pipe C to empty the tank = 5 hours.
Step-by-step explanation:
Pipe A can fill a tank in 5 hours.
Let time taken by Pipe C = x ( hours)
Time taken by Pipe B = x-2 ( hours)
Now, with all 3 pipes open, it takes 3 hours to fill the tank, it can be represented as

Time cannot be negative,
So, x=5
Thus, Time taken by pipe C to empty the tank = 5 hours.
They are literally spoon feeding it to you.
The slope of -1/4 leaves you with either answer C or D
Now just check which one contains point A(8;0)
That's gonna be C
Im positive its false because they dont add up