Solve.Find the difference in altitude between a mountain 2900 feet high and a desert valley 215 feet below sea level.
A. 3015 ft
B. 3115 ft
C. 3215 ft
D. 2685 ft
Answer: B
Mathematics
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Find the limit.
ln (z
)
A. ln 9
B. ln 3
C. 0
D. ln 
Mathematics
Identify the number represented on the abacus.
A. 99,999 B. 11,111 C. 55,555 D. 66,666
Mathematics
Find a1, r, an, n, or Sn for the geometric sequence, as instructed.a1 = 97, r = 2, an = 776; Find Sn.
A. 776 B. 1455 C. 1358 D. 679
Mathematics
Write a quadratic equation in the form ax2 + bx + c = 0 that has the given numbers as solutions.7i, -7i
A. x2 + 14 + 49 = 0 B. x2 - 49 = 0 C. x2 - 14 - 49 = 0 D. x2 + 49 = 0
Mathematics