I would guess that 4.25 pounds is another way to say 4 1/4 pounds, but without being given the answer choices, I can only give you an educated guess.
Given:
The base of the given triangle has two part:
Left( left side of the hypotenuse) = 25
Right ( right side of the hypotenuse) = x
The altitude (h) = 60
To find the value of x.
Formula:
By Altitude rule we know that, the altitude of a triangle is mean proportional between the right and left part of the hypotenuse,

Now,
Putting,
left = 25, altitude = 60 and right = x we get,

or,
[ by cross multiplication]
or, 
or, 
Hence,
The value of x is 144.
Answer:
Part a) The grade is 3.2%
Part b) This grade meet the rapid-transit rail standard
Step-by-step explanation:
we know that
The formula of slope is "rise over run", where the "rise" (means change in y, up or down) and the "run" (means change in x, left or right)
In this problem we have


so

convert to percentage

Round to the nearest tenth of a percent


therefore
This grade meet the rapid-transit rail standard
Answer: The value of 2/3 × 4 is equal to a fraction 8/3.
Answer:
Step-by-step explanation: