Solve the problem.Find the work done by a force of 20i (newtons) in moving as object along a line from the origin to the point 
(distance in meters).
A. 180
joules
B. 20
joules
C. 180 joules
D. 127.3 joules
Answer: C
Mathematics
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Solve the equation.
+ 
= 
A. ?
B. 
C. 
D. 
Mathematics
Write the equation in vertex form. Identify the vertex.y = x2 + 3x + 1
A. y = 
2 - 
; 
B. y = 
2 - 
; 
C. y = (x + 3)3 - 9; (3, -9)
D. y = (x + 3)3 - 9; (-3, -9)
Mathematics
Factor the expression completely, if possible.x2 - 169
A. (x + 13)2 B. (x + 13)(x - 13) C. (x - 13)2 D. Does not factor
Mathematics
The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r = 5
A. x2 + y2 = 25 B. x + y = 25 C. x + y = 5 D. x2 - y2 = 25
Mathematics