Solve, rewrite in interval notation, and graph.4x + 9 ? -24 or 4x + 9 ? 24
A. (-?, ?)
B. 
C. (-?, -9] ? [3, ?)
D. 
? 
Answer: D
Mathematics
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Let v and w be two vectors in the plane with given magnitudes. The angle between v and w is ?. Find the expression. Round the answer to the nearest tenth.
= 7, 
= 14, ? = 70°
Find 
A. 13.3 B. 15.7 C. -46.0 D. 17.7
Mathematics
Determine whether the natural number is prime or composite.11
A. Prime B. Composite
Mathematics
Provide an appropriate response.Solve: 
= 2(x + 2)
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify. Assume that variables can represent any real number.
A. 50
B. 10t2
C. 10t
D. 10
Mathematics