Simplify the algebraic expression.-2.2(6r + 8) + 4.6(6r + 9)
A. 14.4r + 8
B. 3.8r + 5.8
C. -30.8r
D. 14.4r + 23.8
Answer: D
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Use the Hamilton method to make the assignment.In a recent census, Iowa's population in thousands was 4,503, Illinois' was 8,220, and Indiana's was 5,300. Allocate 28 members of the U.S. House of representatives to these three states.
A. Iowa: 10; Illinois: 11; Indiana: 7 B. Iowa: 6; Illinois: 15; Indiana: 7 C. Iowa: 7; Illinois: 13; Indiana: 8 D. Iowa: 8; Illinois: 13; Indiana: 7
Factor when possible.x3 - x2 - 56x
A. x(x + 8)(x - 7) B. x(x + 7)(x - 8) C. (x2 + 1)(x - 56) D. x3 - x2 - 56
Find the product.(9y + x)(9y - x)
A. 81y2 - 18xy - x2 B. 81y2 - x2 C. 81y2 + 18xy - x2 D. 18y2 - x2
Solve the problem.The position of an object moving in a straight line is given by 
where s is in meters and t is the time in seconds the object has been in motion. How far will an object move in 3 seconds?
A. 27 m B. 15 m C. 9 m D. 3 m