Use your estimation skills to pick the most reasonable answer. Do not solve the problem.8.6 + 0.007
A. 86.07
B. 8.607
C. 0.8607
Answer: B
Mathematics
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Find the product.(9)(-5)(-5)
A. -90 B. 235 C. -225 D. 225
Mathematics
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.
= 12, = 14, ? = 39°
Find the angle between v + w and w
A. 21.1° B. 18.0° C. 58.1° D. 81.9°
Mathematics
Solve the system.
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve.
+ 
= 
A. 0 B. -3 C. No solution D. 0, 3
Mathematics