Subtract.-18 - (-19)
A. -18
B. -37
C. 1
D. -1
Answer: C
Mathematics
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The figures are similar. Find the length of the missing side indicated with an x or y.
A. x = 22 B. x = 99 C. x = 33 D. x = 66
Mathematics
Identify the given number as "Rational", "Irrational", or "Not a real number". If the number is rational, give its exact value. If the number is irrational, give a decimal approximation to the nearest thousandth.- 
A. Rational, -11.358 B. Irrational, -11.358 C. Irrational, 11.358 D. Not a real number
Mathematics
Find the indicated limit.
A. 5 B. 12 C. 0 D. Does not exist
Mathematics
Solve by any method: graphing, substitution, or elimination.
A. no solution B. (7, 6) C. (6, 7) D. infinitely many solutions
Mathematics