Use the properties of parallel lines to solve the problem.
is parallel to 
. Find the measure of each numbered angle.
A. ?1 ? ?2, both are 128°; ?3 ? ?ABE, both are 52°.
B. ?2 ? ?3, both are 52°; ?1 ? ?ABE, both are 128°.
C. ?1 ? ?2, both are 52°; ?3 ? ?ABE, both are 128°.
D. ?1 ? ?3, both are 52°; ?2 ? ?ABE, both are 128°.
Answer: C
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To start a mobile dog-grooming service, a woman borrowed $2,400. If the loan was for 2 years and the amount of interest was $120, what simple interest rate was she charged?
A. 2.1% B. 2.5% C. 2.8% D. 2.3% E. 2.4%
Find all angles in [0°, 360°) that satisfy the equation.sin ? = - 
A. {60°, 120°} B. {60°, 300°} C. {210°, 330°} D. {150°, 210°}
Express the transform of the given expression in terms of s and ?
.y" - 5y' + 2y, f 
= -1, f' 
= 2
A. 
?
+ s - 5
B. 
?
+ s - 7
C. 
?
- s + 3
D. 
?
+ s - 7
Use identities to find the indicated value for each angle measure.cos ? = - 
, 
< ? < ?
Find cos(2?).
A. - 
B. 
C. 
D. - 