Evaluate the expression using the given values.
+ 
x = 6 and y = -5
A. 1
B. 0
C. -1
D. 2
Answer: B
Mathematics
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Solve the problem.A biologist collected 202 fern and moss samples. There were 6 fewer ferns than moss samples. How many fern samples did the biologist collect?
A. 196 fern samples B. 55 fern samples C. 104 fern samples D. 98 fern samples
Mathematics
Solve the problem.Find the value for x in the following special right triangle. Use exact values. 
4 in.
A. 16 in.
B. 2 in.
C. 4
in.
D. 4 in.
Mathematics
Estimate the quotient:
?
?
A. 600 B. 700 C. 500 D. 800
Mathematics
Add the appropriate constant to complete the square, then factor the resulting perfect square trinomial.x2 - 
x
A. x2 - 
x + 
; 
2
B. x2 - 
x - 
x; 
2
C. x2 - 
x + 
; 
2
D. x2 - 
x + 25; 
2
Mathematics