Evaluate.
A. 10
B. 21
C. 1
D. 42
Answer: B
Mathematics
You might also like to view...
Find the center and radius of the circle with the given equation. x2 + y2 = 9
A. (3, 3); r = 3 B. (0, 0); r = 9 C. (0, 0); r = 3 D. (3, 3); r = 9
Mathematics
Find the equation y = ?0 + ?1x of the least-squares line that best fits the given data points.Data points: (2, 1), (3, 2), (7, 3), (8, 1)X = 
, y = 
A. y = - 
+ 
x
B. y = 
+ 
x
C. y = 
- 
x
D. y = - 
+ 
x
Mathematics
Use mathematical induction to prove that for all integers n ? 5, 1 + 4n < 2^n.
What will be an ideal response?
Mathematics
Perform the indicated operation and express in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics