The price of Stock A at 9 A. M. was $15.75. Since then, the price has been increasing the rate of
$0.05 per hour. At noon, the price of Stock B was $16.53. It begins to decrease at a rate of $0.13
per hour. If the stocks continue to increase and decrease at the same rates, in how many hours will
the prices of the stocks be the same?
The prices of the stocks will be the same hour(s) after noon.

2-digit numbers less than 91 which are 1 less than a multiple of 10

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

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?