Fingernail: after m months, the length of a fingernail is 10 + 3m millimeters. how long is the fingernail after eight months? three years

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply

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?