Decide whether or not the given equation is an identity.cos(90° - x) = sin x
A. Yes
B. No
Answer: A
Mathematics
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Find the measure of each angle in the problem.
A. 100° and 80° B. 95° and 85° C. 50° and 40° D. 200° and 160°
Mathematics
Evaluate the root, if possible.
A. 
B. 
C. 
D. 
Mathematics
Find an equation of the line containing the given pair of points(-3, 10) and (2, -7)
A. y = 
x - 
B. y = 
x - 
C. y = - 
x - 
D. y = - 
x - 
Mathematics
Find the present value. Round to the nearest cent.To get $25,000 after 11 years at 6% compounded semiannually
A. $11,952.69 B. $13,169.69 C. $13,438.73 D. $13,047.31
Mathematics