Solve the equation.4(7 - 3x) = 
A. {3}
B. {-3}
C. {4}
D. 
Answer: A
Mathematics
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Find the vector projv u.v = i + j + k, u = 3i + 4j + 12k
A. 
i + 
j + 
k
B. 
i + 
j + 
k
C. 
i + 
j + 
k
D. 
i + 
j + 
k
Mathematics
Find fractional notation for the ratio. You need not simplify.In this rectangle, find the ratios of length to width and of width to length.
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Mathematics
Determine which numbers in the set are irrational numbers.
a. 
b. 
c. 
d. 
e. 
Mathematics
Subtract the following hexadecimal numbers. Check using decimals.
A. -A17 B. -A14 C. -87 D. -86 E. -85
Mathematics