Calculate the simple interest.$800 at 5.4% APR for 30 days.
A. $5.33
B. $43.2
C. $2592
D. $3.55
Answer: D
Mathematics
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Solve. Round to the nearest tenth when necessary.Glenn and Sarah are building a new home. On the blueprints, the basement measures 4 inches by 20 inches. The actual room is similar in shape with a length of 43 feet. What will the width of the basement be?
A. 2.2 ft B. 0.1 ft C. 215 ft D. 8.6 ft
Mathematics
Multiply.
A. 121x2 - 
x - 
B. 121x2 + 
x - 
C. 121x2 - 
D. 121x2 - 
Mathematics
Find the domain of the composite function f?g. Write the domain in interval notation.f(x) = x + 7, g(x) = 
A. (-?, ?) B. (-?, -10) ? (-10, ?) C. (-?, -10) ? (-10, -7) ? (-7, ?) D. (-?, -17) ? (-17, ?)
Mathematics
Tell whether the given rational expression is proper or improper.
A. proper B. improper
Mathematics