Use the distributive property to write without parentheses.- (-5t - 2r - 3s)
A. 5t + 2r - 3s
B. -5t - 2r + 3s
C. -5t - 2r - 3s
D. 5t + 2r + 3s
Answer: D
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The abacus in the figure has "five" playing the role of "ten." (a) What number is represented on this five-bead abacus? (b) How would this number naturally be recorded?
A. (a) 625, (b) 10,000 B. (a) 20, (b) 40 C. (a) 125, (b) 1000 D. (a) 25, (b) 100
In a certain city there is a river running through the middle of the city. There are three islands and seven bridges as shown in the figure below.
In the graph that models this situation, the degree of the vertex that represents island B is
A. 2. B. 1. C. 4. D. 3. E. none of these
Convert the first rational expression into an equivalent one that has the indicated denominator.
, 
A. 
B. 
C. 
D. 
Simplify the expression.log3 1
A. 1
B. 3
C. 
D. 0