Name the object that exhibits rotational symmetry. Question 5 options: car circular plate triangular sandwich butterfly

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2