Order the numbers from least to greatest.
3 39/40, 3 19/20, 3 1/2
answer choices
a. 3 19/20, 3 39/40, 3 1/2
b. 3 1/2, 3 39/40, 3 19/20
c. 3 39/40, 3 1/2, 3 19/20
d. 3 1/2, 3 19/20, 3 39/40

The deck that kenneth is building is in the shape of a parallelogram abcd the measure of angle c is one third the measure of angle b find the measure of each angle of the deck

Name the most appropriate metric unit for each measurement

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?