Name the property illustrated by the sentence.-6(a + b) = -6(b + a)
A. Associative property of addition
B. Commutative property of multiplication
C. Commutative property of addition
D. Distributive property
Answer: C
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Rewrite the series using summation notation. Use 1 as the lower limit of summation.3(12) + 3(22) + . . . + 3(62)
A. 
B. 
C. 
D. 
Solve.If an object is propelled upward from ground level with an initial velocity of 38.6 feet per second, its height, h, in feet, t seconds later is given by the equation 
After how many seconds does the object hit the ground? (Round your answer to the nearest tenth, if necessary.)
A. 4.8 sec B. 0.4 sec C. 2.4 sec D. 1.2 sec
Graph the ellipse.4(x - 2)2 + 9(y - 1)2 = 36
A. 
B. 
C. 
D. 
Use interval notation to express the inequality shown in the graph.
A. (-?, -5] B. (-?, -5) C. (-5, ?) D. [-5, ?)