Decide whether the pair of lines is parallel, perpendicular, or neither.The line through (3, -5) and (-1, 7) and the line through 
and 
A. Neither
B. Perpendicular
C. Parallel
Answer: C
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Express the sum or difference as a product of sines and/or cosines.cos (6?) + cos (4?)
A. 2 cos (5?) cos ? B. 2 cos (5?) C. 2 sin (5?) sin ? D. 2 cos (5?) sin ?
Solve the equation on the interval 0 ? ? < 2?.sin (4?) = 
A. 0
B. 
, 
C. 
, 
, 
, 
, 
, 
, 
, 
D. 0, 
, ?
Solve.Calculate the monthly payment for a home mortgage of 
with a fixed APR of 3.0% for 15 years.
A. $1313.92 B. $3611.74 C. $35,568.06 D. $4378.47
Which of Urie Bronfenbrenner's bioecological levels addresses the everyday, immediate environment in which children lead their daily lives?
A. mesosystem B. exosystem C. microsystem D. macrosystem