Find the common ratio for the geometric sequence.625, -125, 25, -5, . . .
A. -5
B. 
C. - 
D. - 
Answer: D
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Solve the system by the addition method.y = x2 + 4y = -x2 + 10
A. {(
, 7), (-
, 7)}
B. {(7, 
), (7, -
)}
C. {(
, 7), (
, -7)}
D. {(
, 7), (
, -7), (-
, 7), (-
, -7)}
Use the properties of determinants to find the value of the second determinant, given the value of the first.
= -26
= ?
A. 78 B. 26 C. -78 D. -26
Simplify the expression by combining like terms.4x - 5w - 6w + 9x
A. 13x - 11w B. -5x - 11w C. 13x + 11w D. 14x + w
Solve.The relationship between 
and 
degrees of measuring temperature is linear. Find an equation relating 
and 
if 
corresponds to 
style="vertical-align: -4.0px;" /> and 
corresponds to 
Use the equation to find the Celsius measure of 
A. C = 
F - 
; - 
°C
B. C = 
F - 80; - 26 °C
C. C = 
F - 10; 
°C
D. C = 
F + 
; 
°C