Find the dot product v ? w.v = -15i + 5j,
w = 12i - 6j
A. -180
B. -150
C. -210
D. -30
Answer: C
Mathematics
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Use the tests for divisibility to answer the question.Is 180 divisible by 5?
A. Yes B. No
Mathematics
The graph of a polar equation is given. Select the polar equation for the graph.
A. r = 
B. r = 
C. r = 
D. r = 
Mathematics
Add or subtract as indicated.
- 
A. 
B. 
C. 
D. 0
Mathematics
Two chemicals react to form another chemical. Suppose that the amount of chemical formed in time t (in hours) is given by 
where x(t) is measured in pounds.
a. Find the rate at which the chemical is formed when t=4. Round to two decimal places. b. How many pounds of the chemical are formed eventually?
Mathematics