Solve the system by substitution.x + 6y = 0x - 6y = 36
A. (18, 3)
B. (18, -3)
C. (-3, 18)
D. (6, -1)
Answer: B
Mathematics
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Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. -1.27 B. 1.73 C. 0.8025 D. 0.9275
Mathematics
Write the sentence as a mathematical statement.Nine is greater than or equal to six.
A. 9 = 6 B. 9 > 6 C. 9 ? 6 D. 9 ? 6
Mathematics
Evaluate if possible. If the expression is not a real number, so state.2434/5
A. 19,683 B. 81 C. 2187 D. 6561
Mathematics
Approximate the coordinates of each turning point by graphing f(x) in the standard viewing rectangle. Round to the nearest hundredth, if necessary.f(x) = -7x2 + 11x - 5
A. (-0.68, 0.79) B. (-0.79, -0.68) C. (0.79, -0.68) D. (0.79, 0.68)
Mathematics