Determine whether the sequence is arithmetic.
, - 
, - 
, - 
, . . .
A. Arithmetic
B. Not arithmetic
Answer: A
Mathematics
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Solve the problem. Round results to an appropriate number of significant digits.From a boat on the river below a dam, the angle of elevation to the top of the dam is 23.7°. If the dam is 2755 ft above the level of the river, how far is the boat from the base of the dam?
A. 6260 ft B. 6280 ft C. 6270 ft D. 6250 ft
Mathematics
Provide an appropriate response.Use the FOIL method to find the product: (x + 6)(x + 5)
A. x2 + 30x + 30 B. x2 + x + 30 C. x2 + 11x + 30 D. x2 + 11x + 11
Mathematics
Solve.5x2 - 30x + 40 = 0
A. 0, 2, 4 B. -2, -4 C. 2, 4 D. 5, 2, 4
Mathematics
Find a ? b.a = 
, b = 
A. -10.5
B. -19.5
C. 
D. 
Mathematics