Which represents the first three terms of the sequence: a1 = 2 and an = 5(an-1)2? 2, 20, 400 2, 20, 2000 2, 100, 2000 2, 100, 4000

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?