Simplify the power of i.i92
A. i
B. 1
C. -i
D. -1
Answer: B
Mathematics
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Solve the equation.0.09(9x - 5) = 0.81(x + 7) - 6.12
A. -0.45 B. -6.12 C. all real numbers D. no solution
Mathematics
Graph the function with a graphing utility.y = 
A. 
B. 
C. 
D. 
Mathematics
Use mathematical induction to prove that the statement is true for every positive integer n.2n > 2n + 2, for n ? 4
What will be an ideal response?
Mathematics
Solve the problem.A building needs a ramp to make it handicap accessible. By law, the ramp must run 10 inches horizontally for every 1 inch of rise. If the surface of the ramp is 42 inches long, how far above the ground is the inclined end of the ramp? Round to the nearest tenth of an inch.
A. 4.2 inches B. 3.8 inches C. 14.0 inches D. 3.6 inches
Mathematics