Solve the problem.Find k such that the line kx + 15y = 4 is perpendicular to the line through (5, -8) and (-2, -4).
A. k = -26.25
B. k = -33.75
C. k = 26.25
D. k = 33.75
Answer: A
Mathematics
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Integrate the function f over the given region.f(x, y) = e2x + 3y over the rectangle 0 ? x ? 1, 0 ? y ? 1
A. 
(e5 - e3 - e2 - 1)
B. 
(e5 - e3 - e2 - 1)
C. 
(e5 - e3 - e2 + 1)
D. 
(e5 - e3 - e2 + 1)
Mathematics
Decide whether the relation represents a function. If it does, give the domain and the range.{(-3, -6), (-1, -4), (-1, 5)}
A. Function; domain: {-3, -1, -1}; range: {-6, -4, 5} B. Not a function C. Function; domain: {-6, -4, 5}; range: {-3, -1, -1} D. Function; domain: {-6, -4, 5}; range: {-1}
Mathematics
Solve.A bottle weighs 140 grams. Find the weight in kilograms of 32 bottles.
A. 4.48 kg B. 4,480,000 kg C. 4480 kg D. 44.8 kg
Mathematics
Solve.(3t - 1)2 = 7
A. 
, 
B. 1 + 
, 1 - 
C. 
, - 
D. 
, 
Mathematics