Toni has exactly $2.00 in nickels and dimes. she has twice as many dimes as nickels. how many of each does she have?

What is the average diastolic blood pressure for adults

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

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.