Determine whether the triangles in the given pair are congruent. If so, state the property that shows the triangles are congruent.
A. congruent; ASA
B. congruent; AAS
C. not congruent
D. congruent; AAA
Answer: C
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Use formulas to find the area of the figure.
A. 20 units2 B. 24 units2 C. 36 units2 D. 48 units2
Solve using elimination.
A. x = 
, y = 
; x = - 
, y = 
; x = ,
, y = - 
; x = - 
, y = - 
or (
, 
), (- 
, 
), (
, - 
), (- 
, - 
)
B. x = 
, y = 
; x = ,
, y = - 
;
or (
, 
), (
, - 
)
C. x = 
, y = 
; x = - 
, y = 
; x = ,
, y = - 
; x = - 
, y = - 
or (
, 
), (- 
, 
), (
, - 
), (- 
, - 
)
D. x = - 
, y = 
; x = - 
, y = - 
or (- 
, 
), (- 
, - 
)
Find the compound amount for the deposit if interest is compounded annually. Round your answer to the nearest cent.$7800 at 7.9% for 6 years
A. $11,497.20 B. $8416.20 C. $12,309.01 D. $13,281.43
Solve the problem.A circle has a radius of 8 centimeters. Find the area of the sector of the circle formed by an angle of 
If necessary, round the answer to two decimal places.
A. 2.22 cm2 B. 67.02 cm2 C. 33.51 cm2 D. 4.19 cm2