Solve the equation by factoring.x2 - x = 72
Fill in the blank(s) with the appropriate word(s).
{-8, 9}
Mathematics
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Use De Moivre's theorem to simplify the expression. Write the answer in the form a + bi.
4
A. 256i
B. 128 + 128i
C. 128
+ 128i
D. 128 + 128i
Mathematics
Convert the angle in degrees to radians. Express the answer as multiple of ?.-162°
A. - 
B. - 
C. - 
D. - 
Mathematics
State the domain of the rational function.f(x) = 
A. (-?, ?) B. (-?, - 1) ? (- 1, 1) ? (1, ?) C. (-?, -1) ? (-1, 9) ? (9, ?) D. (-?, -9) ? (-9, 1) ? (1, ?)
Mathematics
Solve the problem.The chairlift at a ski resort has a vertical rise of 2500 feet. If the length of the ride is 1.3 miles, what is the average angle of inclination of the lift (to the nearest tenth of a degree)?
A. 24.4° B. 15.4° C. 18.4° D. 21.4°
Mathematics