Evaluate the determinant by inspection.
A. 9
B. -15
C. -21
D. 15
Answer: B
Mathematics
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Find the modulo class to which the number belongs for the given modulo system.78, mod 4
A. 1 B. 0 C. 2 D. 3
Mathematics
Find the exact circular function value.cos 2?
A. 0
B. 1
C. -1
D. 
Mathematics
Find the probability.The distribution of B.A. degrees conferred by a local college is listed below, by major.MajorFrequencyEnglish2073Mathematics2164Chemistry318Physics856Liberal Arts1358Business1676Engineering 8689313What is the probability that a randomly selected degree is not in Mathematics? Give your answer as a decimal rounded to three decimal places.
A. 0.682 B. 0.303 C. 0.232 D. 0.768
Mathematics
Find an equation for the ellipse.Foci at (±2, 0); x-intercepts are ±4
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics