Answer:
68
Step-by-step explanation:
You multipliy 7x4 and you get 28 now you add the 40+28=68.
$140.00
22 students x $5.00 + $30
22 x $5.00 = $110.00
$110.00 + $30.00 = $140.00
Cos z is 28/35
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Step-by-step explajyhgftdcsesdxqadfadrfswfeedfrsdx:
=x³-x
=x(x²-1)
=x(x²-1²)
=x(x+1)(x-1)
hope it helps.