Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.
A. 24y(y + 4)
B. 
C. 
D. 
Answer: C
Mathematics
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Perform the indicated operation.- 
? 
A. 
B. - 
C. - 
D. 
Mathematics
The first several terms of a sequence are given. Find the indicated partial sum.2, -7, 12, -17, . . . ; S6
A. 7 B. -13 C. -15 D. 15
Mathematics
Write the equation for the circle described.Center at (7, 5), radius 
A. (x + 5)2 + (y + 7)2 = 25 B. (x - 7)2 + (y - 5)2 = 5 C. (x - 5)2 + (y - 7)2 = 25 D. (x + 7)2 + (y + 5)2 = 5
Mathematics
Solve the equation.log8 x = 4
A. 4096 B. 100,000,000 C. 65,536 D. 32
Mathematics