Simplify the expression. Assume that all variables are positive when they appear.
A. -11
B.
C.
D. -11
Answer: C
Mathematics
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Write the contrapositive of the statement. ~q ? ~p
A. p ? q B. q ? p C. ~(p ? q) D. ~(q ? p)
Mathematics
Use an Euler diagram to determine whether the syllogism is valid or invalid.No even number is divisible by 7.42 is an even number. ? 42 is not divisible by 7.
A. Valid B. Invalid
Mathematics
Provide an appropriate response.
Find a rounded to four significant digits if c = 3.5 cm and B = 76.3°.
A. 14.36 cm B. 0.8289 cm C. 14.78 cm D. 3.400 cm
Mathematics
Evaluate the expression.3(m + 12n) ÷ m, for m = 9 and n = 10
A. 52
B. 43
C. 
D. 
Mathematics