Evaluate the determinant.
A. 30 - ab
B. ba - 30
C. -6a + 5b
D. 6a - 5b
Answer: C
Mathematics
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Find the value of the trigonometric function.tan 938°
A. 2.5 B. -0.79 C. 0.14 D. 0.78
Mathematics
Classify the polynomial by the number of terms. Then identify the degree of the polynomial.
r3 + 
s2
A. Trinomial of degree 2 B. Binomial of degree 1 C. Binomial of degree 5 D. Binomial of degree 3
Mathematics
Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability.The first marble is white and the second marble is blue.
A. 
B. 
C. 
D. 
Mathematics
Add or subtract as indicated. Write your answer in the form a + bi.9i + (-3 - i)
A. -3 + 10i B. 3 - 8i C. -3 + 8i D. 3 - 10i
Mathematics