Find the angle ? between the given vectors to the nearest tenth of a degree.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: B
Mathematics
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Factor the trinomial by grouping.
?
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the linear inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.8(x + 3) ? 7(x - 2) + x
A. (-?, ?)
B. ?
C. [7, ?)
D. (-?, 7]
Mathematics
Solve the equation for ? if 
. Do not use a calculator.
?
What will be an ideal response?
Mathematics
Solve the equation.16 = y - 7
A. -9 B. 9 C. -23 D. 23
Mathematics