choose a geometric question from the two

ackie wants to place some photographs into her photo album and discovers that pages 10 through 25, including 10 and 25, are unfilled. If she can place 4 photographs on each unfilled page, what is the total number of photographs she can place on these pages?\n(A)68 (B)64 (C)60 (D)16 (E)15

If a, b, and x are positive integers and \\(\\triangle(a,x,b)\\) is defined as the number of possible different triangles with sides of lengths a, b, and x, what is the value of \\(\\triangle(2,x,7)\\)?\n(A)2 (B)3 (C)4 (D)5 (E)6