Use a proportion to solve the problem.A bag of fertilizer covers 2000 square feet of lawn. How many bags of fertilizer should be purchased to cover a rectangular lawn 420 feet by 110 feet?
A. 24 bags
B. 23 bags
C. 2310 bags
D. 231 bags
Answer: A
Mathematics
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Solve the problem.Find an equation for the level curve of the function f(x, y) = 
that passes through the point 
.
A. x + y = 5 B. x2 + y2 = 7 C. x2 + y2 = 25 D. x2 + y2 = 5
Mathematics
Determine whether the improper integral converges or diverges.
A. Diverges B. Converges
Mathematics
Graph the equation and give the coordinates of the vertex.y = -x2 + 2x + 3 
A. (-1, -4)
B. (1, 4)
C. (1, 2)
D. (1, -4)
Mathematics
Find the composition. If f(x) = 7x and g(x) = x + 11, find (f ? g)(3).
A. 252 B. 32 C. 54 D. 98
Mathematics