A"check", the form most routine maintenance (on aircraft) takes, comes is several grades, referred to as "letter checks" a through d; all performed at regular intervals. which of the following four hour intervals, representing a, b, c, and d are correct?

125; 750; 5,000; 20,000

100; 500; 5,000; 25,000

125; 750; 3,000; 20,000

100; 500; 3,000; 25,000

The president’s role in a political party is to set the legislative agenda true or false

The tea party movement is a. an official third party that challenges both democrats and republicans in national elections. b. an organized challenge to incumbents in the republican party by the most conservative wing of the republican party. c. an organized challenge to incumbents in the democratic party by the most liberal wing of the democratic party. d. an offspring of the green party that runs for state and local office in many midwestern states. e. the now defunct party that gave way to the republican party at the end of the “second party system.”

The second westward surge reached the: mississippi river, appalachian mountains, oregon territory