Solve the problem.Doris has a rectangular fish pond 5 by 10 feet. She wants to put grass in a strip of uniform width around the pond. She has enough grass seed for 126 square feet. How wide will the strip be?
A. 4 ft
B. 5.5 ft
C. 3 ft
D. 5 ft
Answer: C
Mathematics
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = 
, tan ? < 0Find sin(2?).
A. - 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the centroid of the first-octant portion of a solid ball of radius 5 centered at the origin.
A. (
, 
, 
) = 
B. (
, 
, 
) = 
C. (
, 
, 
) = 
D. (
, 
, 
) = 
Mathematics
Choose the equation that matches the graph.
A. 
+ 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Mathematics
Write a third-degree equation having the given numbers as solutions.-1, 3, 0
A. x3 + 2x2 - 3x = 0 B. x3 - 2x2 - 3x = 0 C. x2 - 2x - 3 = 0 D. x3 - 2x2 + 3x = 0
Mathematics