Describe the parts of this algebraic expression using the lesson’s vocabulary. -x+10.2-1/2x+y

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

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)