What is the value of x?
(x + 40)
(3x)
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(x+40)(3x)

What is the frequency of the sinusoidal graph?

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

I’m still confused on how to work the percentages