Combine like terms.-(-7m) + 9 + (-4n)
A. 11mn + 9
B. 7m + 4n + 3
C. 3mn + 9
D. 7m + (-4n) + 9
Answer: D
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Decide whether or not the given equation is an identity.tan x + cot x = sec x csc x
A. Yes B. No
Complete the horizontal analysis for the balance sheet. Round to the nearest tenth of a percent.
A. -40.1%, 33.1%, 14.3%, 33.0%, 15.5%, 46.9%, 19.2% B. -66.7%, 25.0%, 12.5%, 24.8%, 13.5%, 31.9%, 16.1% C. -40.0%, 33.3%, 14.3%, 33.0%, 15.5%, 46.9%, 19.3% D. 166.7%, 75.0%, 87.5%, 75.2%, 86.5%, 68.1%, 83.9%
has a radius length of 5 while 
has a radius length of 7. If OT = 12, find the number of common tangents for the two circles.
What will be an ideal response?
?Use any method to solve the system of linear equations, find (x,y).
?
?
A. ?(-10, -5) B. (10, -5) C. ?(3, -5) D. ??(-5, 10) E. ???(-5, -10)