Iolivia brought t boxes of tissue at $ 2.50 each and used a coupon. the amount of money (a) she spent is spent is represented by this equation : a =2.50 t -1.25, if olivia spent $13.75 ,how many boxes of tissue did she buy?

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points