2x+y-z=-3
y+z=2
4x-y+z=12

What two criteria are needed for triangles to be similar

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

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)