What is the common difference between successive terms in the sequence?
2, 8, 14, 20, 26, ..
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Classify the following triangle check all that apply

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps