Find the sum.-35 + (-21)
A. -14
B. -56
C. 56
D. 14
Answer: B
Mathematics
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Find the quotient.135 ÷ (-45)
A. - 
B. 3
C. -13
D. -3
Mathematics
Determine the row operation that was used on the first matrix to obtain the second matrix.
, 
What will be an ideal response?
Mathematics
Solve, finding all solutions.cos x = - 
(Express your answer in radians.)
A. 
+ 2k? and - 
+ 2k?, where k is any integer
B. 
+ 2k? and 
+ 2k?, where k is any integer
C. 
+ 2k? and 
+ 2k?, where k is any integer
D. 
+ 2k? and 
+ 2k?, where k is any integer
Mathematics
Solve.A plot of land which is up for sale is advertised as being 33 acres. If there are 4840 square yards in an acre, how many square yards does the plot of land cover?
A. 159,390 square yards B. 159,720 square yards C. 160,380 square yards D. 4873 square yards
Mathematics