Find the distance d(P1, P2) between the points P1 and P2.P1 = (-5, -5); P2 = (-5, -3)
A. 1
B. 3
C. 2
D. 
Answer: C
Mathematics
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3
? 2
A. 7 B. 8 C. 6 D. 4
Mathematics
Rewrite the expression in terms of exponentials and simplify the results.cosh 9x - sinh 9x
A. 2e-9x B. e-9x C. e9x - e-9x D. -9x
Mathematics
Find the indicated matrix.Let A = 
. Find 3A.
A. 
B. 
C. 
D. 
Mathematics
Solve the proportion for the variable by cross-multiplying.
= 
A. x = 
B. x = 
C. x = 12
D. x = 16
Mathematics