Combine like terms whenever possible. Write the result with descending powers.-6y5 - 9y4
A. -15y5
B. -15y9
C. -15y4
D. Cannot be simplified
Answer: D
Mathematics
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Evaluate the expression.P(8, 3)
A. 336 B. 168 C. 6720 D. 240
Mathematics
Provide an appropriate response.For the hyperbola x2 - 12y2 = 48, if x = 9.2, what are the two values of y?
A. No y values. B. ±1.7981 C. ±1.7474 D. ±31.1076
Mathematics
Simplify.(-i)35
A. i B. -1 C. -i D. 1
Mathematics
Add and simplify. Write the answer as a mixed number as needed. 
- 
A. 2
B. 
C. 
D. 1
Mathematics