Give the numerical coefficient of the term.-9y
A. 9y
B. 9
C. y
D. -9
Answer: D
Mathematics
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Provide an appropriate response. Add 3 sec. + 4.5 sec. + 5.85 sec. + 9.123 sec. and round to 3 significant digits.
A. 22 sec. B. 22.4 sec. C. 22.473 sec D. 22.5 sec
Mathematics
Provide an appropriate response.Solve the following system of equations by reduction.
What will be an ideal response?
Mathematics
Find a parametric equation of the indicated ellipse.Foci: (4,1) and(4,-5); length of major axis: 10
A. x = 4 cos t - 4, y = 5 sin t + 2 B. x = 5 cos t + 4, y = 4 sin t - 2 C. x = 5 cos t - 4, y = 4 sin t + 2 D. x = 4 cos t + 4, y = 5 sin t - 2
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - 
, 
< ? < 2?Find sin 
.
A. - 
B. 
C. - 
D. - 
Mathematics