Find a rectangular equation equivalent to the given pair of parametric equations.x = 3 cos t, y = 5 sin t ; 0 ? t ? 2?
A. 
- 
= 1; -? < x < ?
B. 
- 
= 1; -3 ? x ? 3
C. 
+ 
= 1; -3 ? x ? 3
D. 
+ 
= 1; -3 ? x ? 3
Answer: C
Mathematics
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A. 10 = log 9 0.8451 B. 0.8451 = log 10 7 C. 0.8451 = log 9 10 D. 7 = log 10 0.8451
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Decide whether the statement makes sense. Explain your reasoning.Whether it's a problem in mathematics or something else, I always find it's best to complete the work by looking back to check, interpret, and explain my solution.
What will be an ideal response?
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Add.29 + (-74)
A. 45 B. -45 C. 103 D. -103
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Solve the problem.Martha can rake the leaves in her yard in 5 hours. Her brother can do the job in 4 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 20 hr
D. 
hr
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