Patrick is giving a presentation on thermal energy to his class. How can he use the terms endothermic and exothermic to explain the change in thermal energy from one substance to another? Give an example of each term.

Felipe is saving money for a class trip. he already has saved $ 2 5 0 $250 that he will put toward the trip. to save more money for the trip, felipe gets a job where each month he can add $ 3 5 0 $350 to his savings for the trip. let m m be the number of months that felipe has worked at his new job. if felipe needs to save $ 2 7 0 0 $2700 to go on the trip, which equation best models the situation?

Onstruct the grouped frequency table for the following data. 1, 1, 1, 1, 2, 2, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9

What are the three stages of volcanic activity? a. active, magma, lava c. extinct, eruption, explosive b. eruption, quiet, explosive d. active, dormant, extinct