Solve. Write a mixed numeral for the answer.At a track and field event, an athlete recorded the following heights at the high jump: 84
in., 83
in., 83
in., and 85 in. Find the average of the four jumps.
A. 84
in.
B. 84 in.
C. 84
in.
D. 84
in.
Answer: C
Mathematics
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Solve the problem.Brett and Helina went on a 20-mile canoe trip with their class. On the first day they traveled 14 miles. What percent of the total distance was that? Round to the nearest hundredth when necessary.
A. 1% B. 100% C. 0.7% D. 70%
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Solve.3x2 + 45 = 0
A. ±15i
B. 16
C. ±
i
D. 22.5
Mathematics
Graph the function.f(x) = 
x - 3
A. 
B. 
C. 
D. 
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Simplify. Completely evaluate any number with an exponent for the final answer.
3, s ? 0
A. 
B. 
C. 
D. 
Mathematics