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12 February, 08:56

Subtract.

-27 - (-3)

Simplify.

560-2 (25+11)

Evaluate the expression for x = - 5 and y = 4.

8y-x2

+4
Answers (1)
  1. 12 February, 10:35
    0
    -27 - (-3) = - 27 + 3 = - 24

    560 - 2 (25 + 11) = 560 - 2 (36) = 560 - 72 = 488

    8y - x^2 ... x = - 5, y = 4

    8 (4) - (-5) ^2 =

    32 + 5^2 =

    32 + 25 =

    57
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