Find the sum.
?
-10 + (-11) =
Fill in the blank(s) with the appropriate word(s).
-21
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Solve the problem.A shopkeeper orders 
of cashews and peanuts. If he orders 8 less pounds of cashews, how many pounds of peanuts did he order?
A. 2 lb B. 10 lb C. 6 lb D. 4 lb
Factor completely.9y4 - 4
A. (3y2 + 2)2 B. (3y2 - 2)2 C. (3y2 + 2)(3y2 - 2) D. (9y2 + 1)(y2 - 4)
Determine the Shapley-Shubik index of each voter in the weighted voting systemThe ethics committee at Boston College consists of six (A)dministrators, four (F)aculty members, three Student (P)residents from various organizations, and two (C)ommute Students. Assume each of these four groups votes in a bloc. To enact policy changes, a vote of at least 9 is required.
A. A has an index of 
; C and P have an index of 
, F has an index of 
.
B. A has an index of 
; F, C, and P have an index of 
.
C. A has an index of 
; F and P have an index of 
, C has an index of 
.
D. All have an index of 
.
Factor the trinomial completely. If the polynomial cannot be factored, write "prime."9x2 - 9x - 54
A. prime B. (9x + 18)(x - 3) C. 9(x + 2)(x - 3) D. 9(x - 2)(x + 3)