Solve.How many gallons of paint are required to paint a cylindrical water tower if one gallon covers 350 square feet and the tank has a height of 50 feet and a diameter of 43 feet? Round up to the nearest gallon.
A. 7 gal
B. 72 gal
C. 20 gal
D. 28 gal
Answer: D
Mathematics
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Find the sum.34 + 21 + 21
A. 76 B. 67 C. 58 D. 94
Mathematics
Find a polynomial function f(x) of least possible degree having the graph shown.
A. f(x) = (x + 2)(x - 1)3 B. f(x) = 2(x + 2)(x - 1)3 C. f(x) = -2(x + 2)(x - 1)3 D. f(x) = -2(x + 2)(x - 1)
Mathematics
Matrix A is given. Find appropriate identity matrices Im and In such that ImA = A and AIn = A.A = 
A. Im = In = 
B. Im = 
, In = 
C. Im = 
, In =
D. Im = 
, In = 
Mathematics
Solve the problem.Is there y-axis symmetry for the rational function f(x) = 
?
A. Yes B. No
Mathematics