Asap you very much. benton has an extension ladder than can only be used at a length of 10 feet, 15 feet, or 20 feet. he places the base of the ladder 9 feet from the wall and needs the top of the ladder to reach 12 feet. which ladder length would benton need to use to reach this height on the wall? a. 20 feet b. 10 feet c. 15 feet d. none of these ladder lengths would reach this height.

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?