Solve the problem.The cross section of a hill can be approximated by y = 0.8x - 0.00008x3 from 
to 
The top of the hill is level. How high is the hill?
A. 
m
B. 
m
C. 
m
D. 
m
Answer: C
Mathematics
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Perform the indicated operations. Write the answer in the form a + bj.(6 - 5j) + (8 + 8j)
A. -14 - 3j B. 14 - 3j C. 14 + 3j D. -2 + 13j
Mathematics
Evaluate.-19 + (-10) + (-10) + 21
A. 60 B. 22 C. -18 D. 18
Mathematics
Solve the problem.A box contains 4 slips of paper, on each of which is written the number 1, 2, 3, or 4, respectively. A slip is drawn and the number on it is noted. That slip is put aside, another drawn, and the number on it noted. What is the probability thata) the sum of the two numbers is 5?b) the first number drawn is a 2 and the second number is not 5?c) the sum of the two numbers is not 10?
A. a) 
b) 
c) 0
B. a) 
b) 
c) 1
C. a) 
b) 
c) 0
D. a) 
b) 
c) 1
Mathematics
Divide.
A. 5x - 6 + 
B. 5x - 6 + 
C. 5x2 - 6 + 
D. 5x2 - 6 + 
Mathematics