Rewrite the expression by combining like terms.
8y^2 + 7xy – 2y^2 - 5xy + 2x

Ateam of runners is needed to run a 1 2 -mile relay race. if each runner must run 1 4 mile, how many runners will be needed?

Im so bad at fractions they are not my best math thing to work on

Indicate the equation of the given line in standard form. the line containing the longer diagonal of a quadrilateral whose vertices are a (2, 2), b(-2, -2), c(1, -1), and d(6, 4).