Sandra wrote the sequence shown.

3, 6, 11, 18, 27, …
What explicit expression can be used to find the nth term of this sequence?

A.
3n + 2(n – 1)

B.
n^2 + 2

C.
3n + 12

D.
3n^2 – 6

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

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

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?