Show that the matrix has no inverse.A = 
What will be an ideal response?
= 
The matrix 
is sufficiently reduced for us to see that the identity matrix cannot appear to the left of the vertical bar. We conclude that A is singular and so has no inverse.
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Determine the truth value of the following statement.Assume that p has a truth value of 0.28, q has a truth value of 0.55, and r has a truth value of 0.87. (p ? ~q) ? r
A. 0.45 B. 0.72 C. 0.87 D. 0.55
Provide an appropriate response. A road sign at the top of a mountain indicates that for the next 8 miles the grade is 11%. Find the angle of declination.
A. 83.7° B. 43.3° C. 46.7° D. 6.3°
Solve the equation.6(x + 4) = 8(x + 2.8)
A. 1.6 B. 3.2 C. 0.8 D. 23.2
Solve.Sue had $635 in her bank account. She deposited a $390 pay check and a $394 pay check. How much did she deposit and what was her new balance?
A. $1029; $1319 B. $784; $1409 C. $784; $1419 D. $1025; $1419