Solve the problem.In a certain coastal basin, the sea water contains 3.2 grams of salt per 1000 milliliters of water. How many grams of salt would be in 2 liters of the sea water?
A. 64 g
B. 6.4 g
C. 0.064 g
D. 640 g
Answer: B
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The measure of one angle is shown in the figure. Given p
q, find the measures of the other seven labeled angles.
A. m?2 = m?4 = m?6 = 45°; m?1 = m?3 = m?5 = m?7 = 145° B. m?2 = m?4 = m?6 = 45°; m?1 = m?3 = m?5 = m?7 = 135° C. m?5 = m?6 = m?7 = 45°; m?1 = m?2 = m?3 = m?4 = 135° D. m?2 = m?4 = m?6 = 45°; m?1 = m?3 = m?5 = m?7 = 45°
Write the first four terms of the sequence whose general term is given.an = 
A. 2, - 1, 
, 
B. 2, 1, 
, 
C. -2, - 1, 
, 
D. -2, 1, 
, 
An arithmetic sequence is given. Find the common difference and write out the first four terms.{sn} = 
A. d = 
; s1 = 
, s2 = 
, s3 = 
, s4 = 
B. d = 
; s1 = 
, s2 = 
, s3 = 
, s4 = 
C. d = 
; s1 = 
, s2 = 
, s3 = 
, s4 = 
D. d = 
; s1 = 
, s2 = 
, s3= 
, s4 = 
Simplify the expression.
A. 16
B. 
C. 2
D. not a real number