Tell whether the angle is acute, right, obtuse, or straight.?ADB 
A. Straight
B. Acute
C. Obtuse
D. Right
Answer: B
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Solve the application problem. Round to the nearest cent.
How much should be deposited semiannually into a sinking fund over 5 years to accumulate $158,000 if the money earns 8% compounded semiannually?
A. $26,932.68 B. $13,159.82 C. $9484.74 D. $13,782.34
Find the circumference or area of the circle, as requested. Give an exact answer (in terms of ?) and an approximation using 3.14 for ?. If necessary, round to two decimal places.Find the area.
A. ? m2; 18.84 m2 B. 2.25? m2; 7.07 m2 C. 3? m2; 42.39 m2 D. 9? m2; 14.13 m2
Find the exact value. Do not use a calculator.cos 45°
A. 
B. 
C. 
D. 
Write an equation of the line that passes through the given point and is perpendicular to the given line.
?
PointLine
? ?
A. 
B. 
C. 
D. 
E. 