The sum of the measure of the interior angles of a polygon is 2160°. What polygon is it? 14-gon 12-gon 13-gon 15-gon

What is the difference of the two polynomials? (9x2 + 8x) - (2x2 + 3x) A 7x2 + 5x B. 7x2 + 11x C. 11x2 + 5x D. 11x2 + 11x

26.9 + 12 + w = 49.25

Which ordered pairs are solutions to the inequality 2y-x less than/equal to - 6 Select each correct answer (1,-4) (2, - 2) (6,1) (0,-3) (-3,0)

Write an expression for the sequence of operations described below. Add v to w, then double the result.

Tyler needs at least $205 dollars for a new video game system. He has already saved $30. he earns $7 an hour at his job. Write and solve an inequality to find how many hours he will need to work to buy the system. Interpret the solution.

7) Ryan's school is selling tickets to a play. On the first day of ticket sales the school sold 8 senior citizen tickets and 10 student tickets for a total of $182.

Increase 260kg by 10% and then decrease the result by 10%

The perimeter of a rectangle is 354 CM if the width of the rectangle is 82 centimeters what is its length

In a popular casino game, you can bet one whether a ball will fall in an arc on a wheel colored red, black, or green.

The ends of the base of an isoceles triangle are (2a, 0) and (0, a). the equation of one ide is x=2a. find the eqns of the base, the remaining sides and the coordinates of the vertex.