Provide an appropriate response.
Perform the multiplications and simplify the expression: 5x(7x2 - 3x) - 2x2(x + 4)
A. 33x3 - 3x + 4
B. 33x3 - 23x2
C. 33x3 - 7x2
D. 12x
Answer: B
Mathematics
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Find the limit using 
= 1.
A. does not exist
B. 0
C. 
D. 
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Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = 
A. ? B. 0 C. 1 D. No limit
Mathematics
Solve the problem.A triangle drawn on a map has sides of lengths 9.0 cm, 11 cm, and 13 cm. The shortest of the corresponding real-life distances is 110 km. Find the longest of the real-life distances. Round to the nearest unit.
A. 134 km B. 130 km C. 159 km D. 76 km
Mathematics
Solve:
Mathematics