How much of a radioactive kind of iodine will be left after 212 minutes if the half-life is 53 minutes and you start with 704 grams?​

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75

The tile along the edge of a triangular community pool needs to be replaced? ?

Find cot x if sin x cot x csc x = √2