Factor the polynomial by grouping.x2 + 5x + 2x + 10
A. (x - 5)(x - 2)
B. (x + 5)(x + 2)
C. (x - 5)(x + 2)
D. prime
Answer: B
Mathematics
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Solve.A 59-kg skateboarder on a 3-kg board starts coasting on level ground at 
. Let k = 3.2 kg/sec. About how far will the skater coast before reaching a complete stop?
A. 135.63 m B. 387.19 m C. 3964.80 m D. 80.91 m
Mathematics
Find the product and write the answer in simplest form. Assume variables represent nonnegative values.
? 
A. x8z4
B. x8z5
C. x7z4
D. x7z4
Mathematics
Evaluate the expression.- 
1/2
A. - 
B. - 
C. 
D. not a real number
Mathematics
Collect like terms.
x3 - x + 9 + 
x3 + 4x - 2
A. 
x3 + 5x+ 7
B. 
x3 + 3x + 11
C. 
x3 + 3x + 7
D. 
x3 + 3x + 7
Mathematics