Use an indirect proof to complete the following problem.Given: 
(not shown)Prove: 
and 
cannot both be right angles.
What will be an ideal response?
and 
are both be right angles. Then 
and 
.By the Protractor Postulate, 
. Then 
. But this last
statement contradicts the fact that the sum of teh three interior angles of a triangle is exactly 180. Thus, the supposition must be false and it follows that and cannot both be right angles.
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The number 
is an element in which of the following sets?
A. ?Set of whole numbers. B. ?Set of real numbers. C. ?{x | x is a rational number} D. ?Set of numbers that are divisible by 6. E. ?Set of rational numbers. F. b, c, and e
Evaluate the expression.
A. 
B. 0
C. 1
D. 5
Use the product rule to multiply. Assume all variables represent positive real numbers.
? 
A. 
B. 
C. 
D. x2 - 25
Provide an appropriate response.Solve: 
- 
= 1
Fill in the blank(s) with the appropriate word(s).