Which properties are best used prove a quadrilateral is a rhombus?

a) Diagonals are congruent and perpendicular.

Ob) Diagonals bisect and are perpendicular.

C) Opposite sides are parallel and congruent.

d) Opposite sides are congruent.

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?