Write all the numbers that round to 50

If chord ab is congruent to chord cd, then what must be true about ef and eg?

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.

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents