Evaluate the expression by hand.161/2
A. 8
B. 2
C. 4
D. 16
Answer: C
Mathematics
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Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set. 8x + 7z = 59-7x + 8y + 8z = 83 8x - 5y = -16
A. {(3, 8, 5)} B. {(3, -8, -5)} C. {(8, 5, 8)} D. ({4, 6, 5)}
Mathematics
Suppose that ln 2 = a and ln 5 = b. Use properties of logarithms to write each logarithm in terms of a and b.ln 32
A. 10a B. 5a C. a5 D. ab
Mathematics
Rewrite the expression with a rational exponent.2y
A. (2yx)5/4
B. 2yx4/5
C. 
D. 2yx5/4
Mathematics
Solve the equation. Round the solution to the nearest tenth.0.26(y + 4.1) = 8.76
A. -1.8 B. 29.6 C. 33.7 D. 17.9
Mathematics