Simplify the complex fraction.
?
?
Assume that the denominators are not 0.
?
A. 
B. ?
C. ?
D. ?
Answer: A
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Parametric equations and and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 2t + 4, y = 6t + 14, -? ? t ? ?
A. y = 3x + 2; Entire line, from right to left
B. y = 3x - 2; Entire line, from right to left
C. y = 3x + 2; Entire line, from left to right
D. y = 3x - 2; Entire line, from left to right
Find the exact values for sin s, cos s, and tan s.s = - 
A. sin s = 
; cos s = 
; tan s = -1
B. sin s = - 
; cos s = - 
; tan s = 1
C. sin s = - 
; cos s = - 
; tan s = -1
D. sin s = 
; cos s = 
; tan s = 1
Factor the polynomial by grouping.45x3 - 245x2 + 100x
A. 5x(x + 5)(9x + 4) B. 5x(x - 5)(9x - 4) C. x(5x - 5)(9x - 4) D. prime
Find the decimal equivalent of the fraction.
A. 0.
B. 0.13
C. 0.1
D. 0.