Simplify the algebraic expression.-12x7 + 4x7
A. -8x7
B. -8x49
C. -8x14
D. -9x7
Answer: A
Mathematics
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Find the indicated vector.Let u = 
, v = 
. Find u - v.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume that all variables are positive.
? 
? 
A. y4/15 B. y1/4 C. y59/30 D. y30/59
Mathematics
For the following expression, find the value of y that corresponds to each value of x, then write your results as ordered pairs (x, y).
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for 
?
A. 
, 
, 
, 
, 
B. 
, 
, 
, 
, 
C. ?
, , , 
,
D. ?, 
, , 
, 
E. ?
, 
, , 
,
Mathematics
Translate the question into a proportion. Do not solve.21.0 is what percent of 91?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics