Solve the equation.
- 
= 1
A. {3}
B. {-1, 3}
C. {-3, -1}
D. ?
Answer: B
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Solve the problem.Find the area of a triangular garden if the sides are approximately 9 feet, 12 feet, and 11 feet.
A. 594 sq ft B. 550 sq ft C. 47 sq ft D. 12 sq ft
Find the slope of the line containing the given points. f(2) = -5 and f(19) = 6
A. 
B. 
C. - 
D. 
Identify the indicated entry in matrix A.A = 
; identify a21.
A. 3 B. 4 C. 7 D. 6
Solve.The effective yield from a grove of miniature pear trees is described by the equation E = x(700 - x), where x is the number of pear trees per acre. What is the maximum effective yield? How many pear trees per acre should be planted to achieve the maximum yield?
A. Maximum yield = 30,625 number of trees per acre planted = 175 B. Maximum yield = 122,500 number of trees per acre planted = 350 C. Maximum yield = 122,500 number of trees per acre planted = 175 D. Maximum yield = 122,500 number of trees per acre planted = 700