Multiply.-9(x + 8)
A. 9x - 72
B. -9x + 8
C. -9x - 72
D. x - 72
Answer: C
Mathematics
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Express the graph shown using interval notation. Also express it as an inequality involving x.
A. [-7, 1] -7 ? x ? 1 B. (-?, 1) x < 1 C. (-7, 1] -7 < x ? 1 D. [-7, 1) -7 ? x < 1
Mathematics
Solve the equation for the interval [0, 2?).tan x + sec x = 1
A. x = 
B. x = 
C. No solution
D. x = 0
Mathematics
Find functions 
and 
such that 
.
?
?
A. 
, 
B. 
, 
C. 
, 
D. 
, 
E. 
, 
Mathematics
Find the solution to the system by addition (elimination) method. 2x + 4y = -14 8x + 2y = 42
A. (7, -7) B. (-7, 7) C. (-2, 7) D. (8, -8)
Mathematics