Eight identical pens cost $10.80. a. Write an equation in the given box that represents the total cost, y, in dollars for a pens.

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.

Kelli swam upstream for some distance in a hour.she then swam downstream the same river for the same distance in only 6 minutes.if the river flows at 5km/hr, how fast can kelli swim in still water?

What is 74 round to the nearest ten