Question

please help....... ..............​

Answer 1

Answer:

An arithmetic progression is a sequence of numbers in which the consecutive terms (beginning with the second term) are formed by adding a constant quantity with the preceding term.

Explanation:

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Answer 2

Answer:

$\frac{5^{2x+1}}{25} =125$

$\frac{5^{2x+1}}{5^2} = 5^3$

${5^{2x+1}} = 5^3*5^2$

$Taking \: powers \: , \: we \: have$

$2x+1 \:=\:5$

$2x=5-1$

$2x=4$

$x=2$