Find a number to replace the question mark so that the given fractions are equivalent.
= 
A. 30
B. 6
C. 60
D. 300
Answer: A
Mathematics
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Let p represent a true statement, while q and r represent false statements. Find the truth value of the compound statement.~(p ? q) ? (r ? ~q)
A. False B. True
Mathematics
Find the quadratic approximation of f at x = 0.f(x) = 
A. Q(x) = 6 + 
B. Q(x) = 6 - 
C. Q(x) = 6 - 
D. Q(x) = 6 + 
Mathematics
Find the intersection.4x - 2y = 10, 9y + 5z = -10
A. x = -10t + 
, y = -20t - 
, z = 36
B. x = -10t + 70, y = -20t - 10, z = 36t
C. x = -10t + 
, y = -20t - 
, z = 36t
D. x = -10t - 
, y = -20t + 
, z = -36t
Mathematics
Solve the problem.The temperature at the South pole was 49° at 8 am. At 3 pm, it was -45°. By how many degrees did the temperature drop?
A. by -94° B. by -4° C. by 4° D. by 94°
Mathematics