Multiply.3.0(-6.81)
A. -20.43
B. 9.81
C. 9.91
D. -3.81
Answer: A
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Solve the inequality and graph the solution set.-4x ? 36
A. {x | x ? 9}
B. {x | x ? 9}
C. {x | x ? -9}
D. {x | x ? -9}
Subtract using columns.Subtract (6x9 - 2x5 + 7x2 - 8) from (3x9 + 5x7 - 8x2 + 13) .
A. -3x9 + 5x7 - 2x5 - 15x2 + 21 B. 3x9 + 5x7 - 2x5 - 15x2 + 21 C. -3x9 + 5x7 + 2x5 - 15x2 + 21 D. 3x9 + 5x7 + 2x5 - 15x2 + 21
Solve. Try factoring first. If factoring is not possible or is difficult, use the quadratic formula.6y2 + 17y + 12 = 0
A. - 
, - 
B. 
, - 
C. 
, 
D. - 
, - 
Solve the problem.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius of 768 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 764 km to 223 km.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1