The base of the paperweight has an area of 112.5 sq cm and the height of the paperweight is 11 cm. What is the volume of the paperweight?

Can any one me with the answers to these questions asap?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.