Indicate a herbal rule for the nth term of this sequence. -6a, -3a, 0a, 6a
1. an=3an+9a
2. An=3an-9a
3. An=-3an+9a
4. An=_3an-9a

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

In a column proof the right column states your reasons

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3