Prove the following statement by contradiction: For all real numbers r and s, if r is rational and s is irrational, then r + 2s is irrational.
What will be an ideal response?
Mathematics
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Find the slope and the y-intercept of the given line.y = - 
x + 5
A. - 
; (0, -5)
B. - 
; (0, 5)
C. 
; (0, 5)
D. 
; (0, -5)
Mathematics
Write the number as a Mayan numeral.54,439
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expressing using a unit circle or state that the quantity is undefined. All angles are in radians.csc 
A. 
B. 
C. 
D. 
Mathematics
Multiply and simplify.
A. -25
B. 15
C. -15
D. 25
Mathematics