Find the exact value of the expression.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Solve the problem.Mari drops a ball from a height of 24 meters and notices that on each bounce the ball returns to about 
of its previous height. About how far will ball travel before it comes to rest?
A. 52.8 m B. 144 m C. 264 m D. 288 m
Mathematics
Determine whether the equation is quadratic.x2 - 3 = 2x
A. No B. Yes
Mathematics
Translate to a proportion and solve. 36.5% of 3800 is what?
A. 2433 B. 1900 C. 2413 D. 1387
Mathematics
Solve the formula for the specified variable.I = 
for n
A. n = 
B. n = IR(Ir - E)
C. n = 
D. n = 
Mathematics