Solve the equation.
?
?
A. 7, -7, 0
B. 49, -49, 0
C. 7, -7, 1
D. 0
E. 7
Answer: A
Mathematics
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Evaluate.(-1)18
A. 18 B. 1 C. -1 D. -18
Mathematics
Find v ? u.v = 
and u = 
A. 
i - 
j
B. 0
C. 
D. 
i - 
j
Mathematics
Solve.A 26-ft-tall ladder is placed so that it reaches 20 ft up on the wall of a house. How far is the base of the ladder from the wall of the house? Round to the nearest tenth if needed.
A. 32.8 ft B. 16.6 ft C. 1076 ft D. 276 ft
Mathematics
Solve the problem.The formula P = 0.68x2 - 0.048x + 1 models the approximate population P, in thousands, for a species of fish in a local pond, x years after 1997. During what year will the population reach 33.984 thousand fish?
A. 2005 B. 2003 C. 2006 D. 2004
Mathematics