Two chemicals are mixed in a test tube and a chemical reaction takes place. If this reaction is endothermic and the test tube is touched, which of the following best describes what is felt? The test tube is cold.

The test tube is warm.

The test tube is very hot.

The test tube is the same temperature as the air.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?