Find the sum without the use of a number line.-2 + (-1) + (-18) + (-20) + 11 + (-8)
A. 2
B. -38
C. -60
D. -54
Answer: B
Mathematics
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Write as a percent.0.00124
A. 0.0124% B. 0.000124% C. 0.062% D. 0.124%
Mathematics
Find the vertices of the hyperbola.9(x - 5)2 - 4(y + 6)2 = 36
A. (-7, 6) and (-3, 6) B. (3, -6) and (7, -6) C. (-5, 9) and (-5, 3) D. (5, -3) and (5, -9)
Mathematics
Simplify. Write final answer in radical form when necessary.
A. 5u9
B. 
C. 
D. 
Mathematics
If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions. y - 2x = 46y = 12x + 24
A. No solution B. (-1.5, -1) C. (1, 1) D. Infinite number of solutions
Mathematics