Factor by grouping.r3 + r2 + 8r + 8
A. (r2 + 8)(r + 8)
B. (r2 + 8)(r - 8)
C. (r2 + 8)(r + 1)
D. (r2 + 1)(r + 8)
Answer: C
Mathematics
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Write the number in scientific notation.66,000,000
A. 6.6 × 107 B. 6.6 × 10-8 C. 6.6 × 108 D. 6.6 × 10-7
Mathematics
Determine how many of the first 5 statements in the sequence obtainable from the given statement are true.2n + 1 < n2
A. 4 B. 2 C. 3 D. 5
Mathematics
Simplify.
A. 
B. - 
C. - 
D. - 
Mathematics
Solve the problem.Two forces, F1 and F2, acting on an object at a 90 degree angle will pull the object with a resultant force, R, at an angle in-between F1 and F2. The value of the resultant force can be found by the formula 
Find the resultant force if 
and 
Round to the nearest thousandth when necessary.
A. 7.141 N B. 4.123 N C. 12.207 N D. 32.388 N
Mathematics