This diagram is a straightedge and compass construction. A is the center of one circle, and B is the center of the other. A
rhombus is a quadrilateral with 4 congruent sides. Explain why
quadrilateral ACBD is a rhombus.

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or  

ummm seems that u didnt post the attachement !

c. side angle side. u shares the same sides

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a