State whether the vectors are parallel, orthogonal, or neither.v = 4i + 2j,
w = 8i + 4j
A. Parallel
B. Orthogonal
C. Neither
Answer: A
Mathematics
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Use a definite integral to find an expression that represents the area of the region between the given curve and the x-axis on the interval [0, b].y = 
+ 7
A. - 
- 7b
B. 
+ 7
C. - 
- 7
D. 
+ 7b
Mathematics
Simplify the radical.7
A. 29
B. 126
C. 21
D. 18
Mathematics
Find the product and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
k - 5 = 1 + 
k
A. k = 14 B. k = 42 C. k = 21 D. k = 28
Mathematics