What does the semicolon mean in “-2; a”, what would it make that number to be if a = -2

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

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.