Please. this is the third time i've asked. i need help!! Evaluate the expression.

{[(30−60)÷(−30)]2−15}÷(−7)

What is the value of the expression?

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Find the balance at the end of 4 years if 1000 is deposited at the rate of

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.