At a dinner, the meal cost $22 and a sales tax of $1.87 was added to the bill. How much would the sales tax be on a $66 meal?

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

What is the definition of exponential decay?

Issof claims that the scale factor is 1/2. which statement about his claim is correct