Factor the polynomial completely.45z6 - 48z4 - 45z2
A. 3z2(5z2 - 3)(3z2 + 5)
B. 3z2(3z2 - 5)(5z2 + 3)
C. 3(3z4 - 5)(5z2 + 3)
D. (9z3 - 15)(5z3 + 3)
Answer: B
Mathematics
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Find y".y = 
tan(9x - 5)
A. 
sec2(9x - 5) tan(9x - 5)
B. 
sec2(9x - 5)
C. 
sec(9x - 5)
D. 
sec2(9x - 5) tan(9x - 5)
Mathematics
Solve the problem.In triangle ABC, the angle C is six times as large as angle A. The measure of angle B is 
greater than that of angle A. Find the measure of the angles.
A. 17° , 78° and 102° B. 17° , 61° and 102° C. 17° , 78° and 85° D. 17° , 61° and 119°
Mathematics
Multiply.9.78(-88.71)
A. 86.75838 B. -8675.838 C. 86,758.38 D. -867.5838
Mathematics
Solve the formula for the specified variable.I = 
for n
A. n = IR(Ir - E)
B. n = 
C. n = 
D. n = 
Mathematics