Decide whether the ordered pair is a solution of the given system.(-1, -6)x + y = -7x - y = 5
A. No
B. Yes
Answer: B
Mathematics
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After descending 30 feet, a scuba diver paused to check his equipment before descending an additional 80 feet. Use a signed number to represent the diver's final depth.Final depth = __________ feet
Fill in the blank(s) with the appropriate word(s).
Mathematics
Express the number in terms of j.
A. -50j
B. j
C. 50j
D. ±50
Mathematics
Graph the function as a solid curve and its inverse as a dashed curve.f(x) = 2x
A. 
B. 
C. 
D. 
Mathematics
Simplify the ratio.7.2 to 7.2
A. 
B. 1
C. 
D. 
Mathematics