Solve the system of equations by using substitution. 
A. x = -5, y = 2
B. x = 5, y = 2
C. x = -5, y = -2
D. x = 5, y = -2
Answer: D
Mathematics
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Subtract and simplify.
- 
A. 
B. 
C. 
D. 
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Determine how many of the first 5 statements in the sequence obtainable from the given statement are true.The measure of each interior angle of a regular polygon with n sides is 180 - 
. (n ? 3)
A. 5 B. 4 C. 3 D. 2
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Which of the following points is/are collinear with A(-5,-7) and B(10, 3)?
(a) (1, 3) (b) (-2,-5) (c) (-10,-13) (d) (-17,-15) (e) (9, 14) (f) (11, 4)
Mathematics
Use a calculator to find the function value to four decimal places.sin 50°15'55''
A. 0.6374 B. 0.7690 C. 1.2089 D. 1.7705
Mathematics