Solve the equation for x.
= -1
A. {4}
B. {-1}
C. {1}
D. ?
Answer: C
Mathematics
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Refer to the figure and provide an appropriate name for the indicated angles. 
?4
A. Acute angle B. Vertical angle C. Obtuse angle D. Right angle
Mathematics
Find the exact values of the indicated trigonometric functions. Write fractions in lowest terms.
Find sin A and cos A.
A. sin A = 
; cos A = 
B. sin A = 
; cos A = 
C. sin A = 
; cos A = 
D. sin A = 
; cos A = 
Mathematics
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
Divide.
A. 
B. - 
C. 28
D. -28
Mathematics