PLEASE HELP

Which pair of triangles can be proved congruent by the SAS Postulate?

A: ∆ABX and ∆EDX

B: ∆ADE and ∆ABE

C: ∆ACD and ∆ECB

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas