Answer:

Step-by-step explanation:
A difference of squares has the form (a - b)(a + b)
Your expression is (-5x - 3)(-5x + ?
Let's compare this with your expression.

The problem is not shown clearly therefore i am not sure if my answer will be correct, but, this inequality is already solved. all this means is that y is more than or equal to 4.5 (meaning that y can be 4.5, 5, 6, 7, 8 and so own but never a number less than 4.5), the "I I" only mean that y will never be a negative.
Answer:
500/512 or about 0.977
Step-by-step explanation:
flip first fraction cause negative exponent: (25/64)^3/2*64^1/3
simplify: (125/512)*4
125*4=500 so 500/512
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