Divide. 2/7 divided by 1/3

The rectangle on the right is the image of the rectangle on the left. what transformation would result in this image? reflection rotation translation dilation

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.