Determine the constant of variation for the stated condition.y varies directly as x, and y = 5 when x = 45.
A. k = 9
B. k = 11
C. k = 
D. k = 40
Answer: C
Mathematics
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Indicate whether the equation has no solution or is true for all real numbers. If neither is the case, solve for the variable.5(x - 4) - 4 = -4x + 9x - 29
A. 
B. ?
C. {x|x is a real number}
D. 
Mathematics
Solve the problem.A rectangular patio has dimensions 10 feet by 15 feet. The patio is surrounded by a border with a uniform width of 3 feet. Find the area of the border.
A. 114 ft2 B. 84 ft2 C. 186 ft2 D. 162 ft2
Mathematics
Complete the identity.cot 
= ?
A. 
B. 
C. 
D. 
Mathematics
Complete.32 pt = qt
A. 8 B. 16 C. 64 D. 128
Mathematics