Luca runs 8 miles each week Type an equation to represent the total number of miles Luca runs given the number of weeks. Let m represent the total number of miles Luca runs and let w represent the number of weeks.

Explain why you chose that operation and equation.

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.