Solve the System by Substitution

question 18

Essay

Solve the system by substitution. Substitute the expression in the second equation into the first equation and solve.

---

Definitions:

American Kangaroo Rat

A small rodent native to North America, known for its long leaps similar to those of kangaroos.

Desert Biome

A terrestrial ecosystem characterized by extremely low precipitation, sparse vegetation, and wide temperature variations.

Self-conscious Performance

A performance characterized by an acute awareness of oneself, often affecting the behavior or delivery.

Researcher Reactivity

The influence that the presence or perceived characteristics of a researcher can have on the behavior of subjects being studied.