Quadrilateral abcd is inscribed in this circle. what is the measure of ∠a ? a quadrilateral inscribed in a circle. the vertices of the quadrilateral lie on the edge of the circle and are labeled a, b, c, d. the interior angle c is labeled as 74 degrees.

1. are the triangles similar and if so why? what is the value of x? show your work.

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression