Solve.The number of acres in a landfill is given by the function 
where t is measured in years. How many acres will the landfill have after 7 years? (Round to the nearest acre.)
A. 7619
B. 5796
C. 6371
D. 14,670
Answer: A
Mathematics
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Solve the problem.An airplane is flying in the direction 35° east of south at 863 km/hr. Find the component form of the velocity of the airplane, assuming that the positive x-axis represents due east and the positive y-axis represents due north.
A. 
B. 
C. 
D. 
Mathematics
Solve using the percentage formula.What number is 120% of 3,590?
A. 4,308 B. 43,080 C. 430,800 D. 431
Mathematics
Write the phrase as a mathematical expression. Use x as the variable.One-third of a number added to the difference of the number and 7
A. 
x + (x - 7)
B. 
x + (7 - x)
C. 
D. 
Mathematics
Find the perimeter or circumference.A circle whose radius measures 12 ft (Use 3.14 for ? .)
A. 144 ft B. 452.16 ft C. 75.36 ft D. 37.68 ft
Mathematics