Write using exponential notation.8 ? 8 ? 8 ? 8 ? 8
A. 5 ? 8
B. 80
C. 85
D. 58
Answer: C
Mathematics
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Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with vertices (0, ±7) and foci (0, ±3)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Find an expression for the nth term of the arithmetic sequence.-1, -5, -9, -13, -17, . . .
A. an = -4n + 3 B. an = -4n - 3 C. an = -7 - 4n D. an = 4n - 3
Mathematics
Evaluate the numerical value of the formula with the given replacement values.V = B ? h ÷ 3
B = 24, h = 7
A. V = 392 B. V = 56 C. V = 63 D. V = 8
Mathematics
For the function, find the average rate of change of f from 1 to x: 
f(x) = 
A. 
B. - 
C. 
D. 
Mathematics