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

Mathematics

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The measure of one angle is shown in the figure. Given pq, 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°

Mathematics

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, 

Mathematics

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 = 

Mathematics

Simplify the expression.

A. 16
B.
C. 2
D. not a real number

Mathematics