SAT Subject Test Mathematics Level 2

(A)

(B)

(C)

(D)

(E)

9 . If  3s +    5t  =   10, and 2s  −   t   =   7,  what    is  the value   of  ?

(A) 0

(B) 1.5

(C) 2.8

(D) 3.4

(E) 3.5

10 . Which of the following is the solution set of