Laura is bowling 5 games. Her first 4 scores were 127, 103, 107, and 146. To end up with an average score of at least 132, what is the lowest score Laura will need in the fifth game?

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?