Simplify the expression by combining like radicals where possible.12
+ 5
+ 15
+ 32
A. 66
B. 64
C. 64
D. 32
+ 32
Answer: D
Mathematics
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Graph the equation and its tangent.Graph y = 5x2 and the tangent to the curve at the point whose x-coordinate is -2.
A. 
B. 
C. 
D. 
Mathematics
Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.u = - 
i + 
j + k, v = i + j + 2k
A. 2
; - 
i + 
j - 
k
B. 8; 
i - 
j - 
k
C. 8; 
i - 
j + 
k
D. 2
; 
i + 
j - 
k
Mathematics
Convert the mixed number to an improper fraction.12
A. 
B. 26
C. 168
D. 
Mathematics
Use similar figures to determine the value of X .
A. 15 in.
B. 10 in.
C. 20 in.
D.
| 5 in. |
Mathematics