Find the product.(2m - 11w)(2m + 11w)
A. 4m2 + 44mw - 121w2
B. 4m2 - 44mw - 121w2
C. 4m2 - 121w2
D. 2m2 - 11w2
Answer: C
Mathematics
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Solve the problem.Police use the formula s = S 
, where S is the test-car speed and L is the test-skid length, to find the actual speed s in an accident which left a skid mark of length l. Simplify the expression S 
by rationalizing the denominator.
A. S 
B. 
C. 
D. 
Mathematics
Change the improper fraction to a whole or mixed number.
A. 19
B. 20
C. 18
D. 19
Mathematics
Write the expression in lowest terms. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Give the meaning of the underlined digit.5
,190,538
A. 2 ? 1,000,000 = 2,000,000 B. 2 ? 100,000 = 200,000 C. 2 ? 10,000,000 = 20,000,000 D. 2 ? 10,000 = 20,000
Mathematics