Which expression is equivalent to 60 + 30? A. 3(57 + 10)
B. 4(15 + 26)
C. 6(10 + 5)
D. 2(30 + 30)

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)

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?