Simplify each side of the equation, if possible. Then solve the equation.
+ 10 = 11 + r
A. r = 
B. r = 22
C. r = 11
D. r = 
Answer: A
Mathematics
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Identify the correct location of the red dot on the rectangular coordinate system.
?
?
A. (-1, 3) B. (4, -5) C. (-4, 3) D. (-3, 4) E. None of these
Mathematics
Measure the line using the ruler.
A. 2 cm B. 1 cm C. 2 mm D. 20 mm
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An object attached to a coiled spring is pulled down a distance a from its rest position and then released. Assuming that the motion is simple harmonic with period T, write an equation that relates the displacement d of the object from its rest position after t seconds. Also assume that the positive direction of the motion is up.a = 5;
T = 10 seconds
A. d = 5 cos (10t)
B. d = 5 cos 
C. d = -5 cos 
D. d = -5 cos (10t)
Mathematics
Solve.
a - 
= -2
A. {-9} B. {-11} C. {11} D. {9}
Mathematics