What is the nth term in the arithmetic sequence when the sequence is:
6,10,14,18
(i need the expression)

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7