An arithmetic sequence is given. Find the common difference and write out the first four terms.
A. d = 
; 
, 
, 
, 
B. d = 
; 
, 
, 
, 
C. d = 
; 
, 
, 
, 
D. d = 
; 
, 
, 
, 
Answer: D
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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 + 3, y = 6t + 12, -? ? t ? ?
A. y = 3x - 3
Entire line, from left to right
B. y = 3x - 3
Entire line, from right to left
C. y = 3x + 3
Entire line, from left to right
D. y = 3x + 3
Entire line, from right to left
Graph the function.y = 9
- 8
A. 
B. 
C. 
D. 
The two triangles below are similar. Find the missing lengths.
A. x = 5.6; y = 3.9 B. x = 5.6; y = 3.6 C. x = 6.4; y = 3.9 D. x = 1.40; y = 3.6
Determine the exact value of src="https://sciemce.com/media/3/ppg__cognero__Section_4.4_Trigonometric_Functions_Of_Any_Angle__media__e41bfda9-ea76-4f33-901e-1e1bd5419eaf.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_9a7fbfb32df94e0a9e443acc7" /> < 0.
when 
and
A. 
B. 
C. 
D. 
E. 