Write the logarithmic equation as an exponential equation.log2x = 3
A. 2x = 3
B. 32 = x
C. x3 = 2
D. 23 = x
Answer: D
Mathematics
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Use Cramer's rule to solve the system of linear equations.-5x + 9y = 45 3x - 2y = -10
A. (0, 6) B. (-1, 6) C. (0, 5) D. No solution
Mathematics
State the dimensions of the matrix.
A. 3 × 1 B. 3, -6, -8 C. 1 × 3 D. 3
Mathematics
Find the sum or difference. Write the answer in standard form.(-3 + 8i) - 7
A. 10 - 8i B. 4 + 8i C. 4 - 8i D. -10 + 8i
Mathematics
Solve the problem.The time, in seconds, that it takes an object to fall a distance d, in feet, is given by the algebraic expression 
. Find how long it will take a ball dropped from the top of a building 
tall to hit the ground. Write the answer in simplified radical form.
A. 
seconds
B. 
seconds
C. 
seconds
D. 
seconds
Mathematics