Solve the problem.If u = 4i - 2j and v = 12i + 7j, find u - v.
A. -8i - 9j
B. 16i + 5j
C. -10i + 5j
D. -9i + 5j
Answer: A
Mathematics
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Find the root.-
A. 4 B. -4 C. 16 D. Not a real number
Mathematics
Find a general term an for the geometric sequence.a1 = - 
, r = -8
A. an = - 
- 
(n - 1)
B. an = - 
+ 
(n - 1)
C. an = 
n-1 + 
D. an = - 
? (-8)n-1
Mathematics
Solve the equation.8y - 10 = -8 + 9y
A. 
B. - 
C. - 2
D. - 
Mathematics
The surface area of a rectangular solid is 214 m². The height of the solid is 6 m, and the length is 7 m. Find the width of the rectangular solid.
A) 5 m B) 10 m C) 13 m D) 7 m E) 11 m
Mathematics