What are some expressions represent rational numbers

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.