Find the slope and y-intercept of the line.4x + 7y = 6
A. slope = 4; y-intercept = 6
B. slope = - 
; y-intercept = 
C. slope = 
; y-intercept = 
D. slope = 
; y-intercept = - 
Answer: B
Mathematics
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Solve.What is the difference in elevation between a plane flying 17,500 feet above sea level and a submarine traveling 560 feet below sea level?
A. 16,940 feet B. 18,060 feet C. 16,960 feet D. 18,000 feet
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Use the given matrices to compute the given expression.Let A = 
. Find 2A.
A. 
B. 
C. 
D. 
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Given the equation below, determine two solutions such that 
.
?cos ? = 
A. ?? = 225
, 135
B. ? = 135
, 225
C. ? = 150
, 210
D. ? = 300
, 240
E. ? = 30
Mathematics
Decide whether the matrices are inverses of each other. (Check to see if their product is the identity matrix I.)
and 
A. Yes B. No
Mathematics