Is the following argument valid or invalid? Justify your answer.
All prime numbers greater than 2 are odd.
The number a is not prime.
Therefore, the number a is not odd.
The argument is invalid; it exhibits the inverse error.
Mathematics
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Subtract: 15.3 - 0.135
A. 15.165 B. 15.435 C. 14.05 D. 13.95
Mathematics
If 
, evaluate the difference quotient 
a. 2a + h - 6 b. 2a - 6 c. 2a - h - 6 d. h e. none of these
Mathematics
Find the requested area.Find the area of the figure.
A. 39
m2
B. 16
m2
C. 79
m2
D. 38
m2
Mathematics
Decide whether the problem is an equation or an expression.
= 
- 8
A. Equation B. Expression
Mathematics