91Ó°ÊÓ

If y varies directly as x and $y=5$ when$x=2$ , find y when $x=6$.

Evaluate each expression for the given values of the variable.

$3n−1;\text{ }n=1,2,3,4$

Evaluate each expression for the given values of the variable.

$6−j;j=1,2,3,4$

Evaluate each expression for the given values of the variable.

$4m+7;m=1,2,3,4,5$

Find $S_n$for each arithmetic series described.

$d=5,n=16,a_n=72$

Find the first five terms of each arithmetic sequence described.

$a_1=14,d=−2$

Find the $a_{13}$ for the arithmetic sequence -17, -12, -7, ….

Find the sum of each arithmetic series.

$5+11+17+\mathrm{...}+95$

Find the sum of each arithmetic series.

$38+35+32+\mathrm{...}+2$

Find the indicated term of each arithmetic sequence.

$a_1=3,d=−5,n=24$