Solve the problem.The recipe for a chocolate chip cake calls for 
pound of chocolate chips. If a bakery wants to make 20 cakes, how many pounds of chocolate chips will they need?
A. 20 pounds
B. 5 pounds
C. 16 pounds
D. 4 pounds
Answer: C
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Find the exact values for sin s, cos s, and tan s.s = 
A. sin s = 
; cos s = - 
; tan s = - 
B. sin s = 
; cos s = - 
; tan s = -
C. sin s = - 
; cos s = 
; tan s = - 
D. sin s = - 
; cos s = 
; tan s = -
Solve the problem.The Ramiros have saved $31,500 for a down payment. If a 5% down payment is required, what price house can they buy? Round to the nearest dollar.
A. $157,500 B. $1,575 C. $6,300 D. $630,000
Solve the system of equations using substitution.
A. x = 8 , y = -8; x = 2, y = -2
or (8, -8), (2, -2)
B. x = - 
, y = -2 or 
C. x = -8 , y = - 
; x = -2, y = - 
or 
, 
D. x = - 
, y = -8; x = - 
, y = -2
or 
, 
Solve the problem.An auditorium has 25 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium?
A. 900 B. 500 C. 850 D. 550