Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a9 when a1 = -3, r = 2.
A. -1536
B. 13
C. -768
D. -764
Answer: C
Mathematics
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Solve.Kannanaski Rapids drops 67 ft over a horizontal distance of 910 ft. Find the slope of Kannanaski Rapids. Round your answer as appropriate.
A. -67 B. -0.001 C. -0.074 D. -13.6
Mathematics
The histogram shows the scores of each participant in a game from a total of 100 participants. 
The greatest number of participants is within which category?
A. 80-99 B. 60-69 C. 60-79 D. 40-59
Mathematics
Use Heron's formula to find the area of the triangle. Round to the nearest square unit.a = 10 yards, b = 10 yards, c = 16 yards
A. 51 square yards B. 54 square yards C. 57 square yards D. 48 square yards
Mathematics
Solve the equation. Express radicals in simplest form.
w2 - 
w = -1
A. 
B. 
C. 
D. ?
Mathematics