Solve.The equation of a line is y = - 
x + 5. What is the slope of a line perpendicular to it?
A. - 
B. 
C. - 
D. 
Answer: B
Mathematics
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Perform the indicated operations.-4.2 + (-8.4) + (-8.3)
A. 4.1 B. -12.5 C. 4.3 D. -20.9
Mathematics
Multiply. Assume that all variables represent non-negative real numbers.
(
- 
)
A. 
B. 
- 
C. 7
- 7
D. 8
Mathematics
Factor the expression completely, if possible.49x2 - 36y2
A. (7x - 6y)2 B. (7x + 6)(7x - 6) C. (7x + 6y)(7x - 6y) D. (7x + 6y)2
Mathematics
Write the first four terms of the sequence.an = 
n
A. a1 = 1, a2 = 
, a3 = 
, a4 = 
B. a1 = 1, a2 = 
, a3 = 
, a4 = 
C. a1 = 
, a2 = 
, a3 = 
, a4 = 
D. a1 = 
, a2 = 
, a3 = 
, a4 = 
Mathematics