Provide an appropriate response.Suppose ?PQR ? ?ABC, where ?ABC is shown below. Find PQ.
A. 5
B. Cannot be determined
C. 3
D. 4
Answer: D
Mathematics
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Use an Euler diagram to determine whether the argument is valid or invalid.
is less than 14.7 is less than 14. Therefore, 
is less than 7.
A. valid B. invalid
Mathematics
Write a formula for the nth term of the arithmetic sequence. Do not use a recursion formula.-7, -3, 1, 5, 9, . . .
A. an = 4n - 11 B. an = -7 + 4n C. an = -4n + 11 D. an = 4n + 11
Mathematics
Write the compound inequality as an absolute value inequality. Do not simplify.-0.9 < 4x + 7 < 0.9
A. 
> 0.9
B. -0.9 < 
< 0.9
C. 4x + 7 < 
D. 
< 0.9
Mathematics
Multiply.(5xy2 + 9x)(5xy2 - 9x)
A. 25x2y4 - 90x2y4 - 81x2 B. 25x2y4 - 81x2 C. 10x2y4 - 18x2 D. 10x2y4 - 90x2y4 - 18x2
Mathematics