Evan has x red marbles, twice as many as blue marbles as red marbles and y yellow marbles. How many marbles does Evan have all together in terms of x and y?

If five times a number is subtracted from twelve times a number, the result is seven less than twice the number. Find the number.

Determine the sum of: - 10y2 + (-3y2) - 4y2 - (-6y2) the 2 are squared

What figure has exactly four lines of reflection that maps the figure onto itself

Which of the two circles in this figure is larger? A Shape and Lines

Box and wisker plots are called

Write the equation of the line in slope-intercept form. perpendicular to y = 2x+6 and passing through (-4,2)

Lynne used 8/3 cup of flour and 3/1 cup of sugar in a recipe what number is a common denominator for 3/1 and 8/3

Write a function for "The output is seven more than the input"

After attending a church cookout, a number of the attendees are admitted to the emergency room with nausea, vomiting, and diarrhea.

Antonio needs 8 feet of ribbon to complete a project. He can purchase a 180-inch (15-foot) packaged length for $3.99, or he can buy the ribbon by the foot for $0.39/ft. Which is the better deal for Antonio?