Altitude in general the air temperature decreases 10 f for every 4,000 feet increase in altitude. if a hiker climbs 3,000 feet, by how much can she expect the temperature to decrease

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319