Graph the solution set of the system of inequalities.y ? -x2 - 6x - 4y ? x2 + 6x + 4
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the quotient.0.69 ÷ 0.001
A. 690 B. 0.69 C. 6900 D. 69
Mathematics
Verify the identity.sin 
= cos ?
What will be an ideal response?
Mathematics
The formula below gives the relationship between the number of sides n, the radius r, and the length of each side l in a regular polygon. Find n, if ?l? = 1?r?.
?
?
?
A. n = 8 B. n = 5 C. n = 7 D. n = 6 E. n = 4
Mathematics
Write the decimal in numbers.Fifty-six hundredths
A. 56 B. 0.56 C. 0.056 D. 50.6
Mathematics