The class 4S because you divide each number by its mean mark and standard division and 4S is the highest.
Step-by-step explanation:
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Answer:
im just commenting to get points
Step-by-step explanation:
<span>f(x)=4x²-15x-25
</span><span>f(x)=(4x + 5)(x - 5)
</span><span>zero-product property
let </span>f(x)=(4x + 5)(x - 5) = 0
so
(4x + 5)(x - 5) = 0
4x +5 = 0
4x = -5
x = -5/4
x = -1.25
x - 5 =0
x = 5
answer
factor: (4x + 5)(x - 5)
x = 5 and x = -1.25
The answer is 3 (1/3) gallons of paint.
(5/6)*4= 3.333
