Find the exact value for the expression under the given conditions. Write your answer in simplest form. Rationalize the denominator, if necessary.

What signals you that factoring by grouping is the best method to use when factoring a problem?

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

High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?