The radio station received the most number(A) of calls from listeners on the(B) evening it(C) aired a discussion of the music(D) of Aretha Franklin. No error(E)

This is a find the error question:

When the village elders A:(present) recommendations, B:(there is) C:(hardly ever) any opposition D:(against) their proposals, E: (No error)

If the xy-plane, a line contains the points (4,2), (-2,-1) and (k,5). What is the value of k?

A 6

B 7

C 8

D 9

E 10

If x/y=2 and z/x=4, what is the value of x+y+z/x?

A 4 1/2

B 5

C 5 1/2

D 6

E 7

If x^2/3=y, what does x^4 equal in terms of y?

(A)y^2

(B)y^8/3

(C)y^3

(D)y^5

(E) y^6