Find anand a6 for the following arithmetic sequence.a1 = x, a2 = 4x - 9
A. an = x + (3x - 9)(n - 1); a6 = 16x - 45
B. an = x + (5x - 9)(n - 1); a6 = 16x + 45
C. an = x + (3x + 9)(n - 1); a6 = 24x - 45
D. an = x + (4x - 9)(n - 1); a6 = 20x - 9
Answer: A
You might also like to view...
Answer the question.Police use a formula s = S 
, where S is the test-car speed and L is the test-skid length, to find the actual speed s in an accident which left a skid mark of l. Find the speed (nearest whole mph) when 
A. 68 mph B. 55 mph C. 95 mph D. 37 mph
Find the equation of the axis of symmetry of the parabola.y = x2 + 9x + 4
A. x = - 
B. x = 9
C. y = 4
D. x = 
Graph the inequality.x + 5y ? -1
A. 
B. 
C. 
D. 
Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.
A. rational, real B. irrational, real C. real D. whole, real