For the given vectors u and v, evaluate the expression.u = 
, v = 
Find 4u - 4v.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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If $600 is invested at interest, compounded annually, then after n years the investment is worth  FIGURE 1.png)
dollars. Find the size of investment after 7 years.
What will be an ideal response?
Mathematics
Solve the problem.A person burns 9.4 calories per minute while walking. One must burn about 3500 calories in order to lose 1 lb. How many pounds would the person lose by walking for 9 hours? Round to the nearest hundredth.
A. 14.50 lb B. 0.02 lb C. 1.02 lb D. 1.45 lb
Mathematics
Solve quadratic equation by factoring.24x2 + 50x + 16 = -9
A. 
, 
B. - 
, - 
C. - 
, - 
D. 
, 
Mathematics
Find the angle ? between the vectors.
?
?
?
(Round the answer to 2 decimal places.)
?
A. 
B. 
C. 
D. 
E. 
Mathematics