Find n for the given value of an in the arithmetic sequence.an = -495
; 805
, 785
, 765
, . . .
A. n = 63
B. n = 66
C. n = 65
D. n = 62
Answer: B
Mathematics
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A. 
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Translate the sentence to an equation using the variable x. Then solve the equation.When 50% of a number is subtracted from 70, the result is 2 less than the number.
A. 70 - 50 = x - 2; 22 B. 70 + 0.5x = x - 2; 144 C. 0.5x - 70 = x - 2; -136 D. 70 - 0.5x = x - 2; 48
Mathematics
Find the area of the figure. Use 3.14 for ?.
A. 644.48 ft2 B. 744.96 ft2 C. 740.48 ft2 D. Not enough data
Mathematics
Solve the problem using a graphing calculator.Determine whether a baseball hit 136 feet per second at an angle of 30° relative to level ground will clear a 10-foot wall 400 feet away.
A. Yes B. No
Mathematics