Find the requested area.Find the area of a circle with a diameter of 3
m. Use 
for ?.
A. 31
m2
B. 63
m2
C. 21
m2
D. 10
m2
Answer: D
Mathematics
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Find v ? u.v = 7i - 7j and u = -3i + 3j
A. -21i - 21j B. 0 C. 4i - 4j D. -42
Mathematics
Solve the problem.An experiment calls for cooling a mixture to -13°F, then increasing the temperature 80 degrees. What is the final temperature the experiment is to obtain?
A. 67°F B. -93°F C. -67°F D. 93°F
Mathematics
Divide and simplify. Assume variables do not cause any denominators to equal 0.
÷ 3mn
A. 
B. 8mn
C. 
D. 
Mathematics
If the 14th term of an arithmetic sequence is 67 and the 9th term is 42, find the 40th term. ?
A. 195 B. 197 C. 200 D. 202 E. none of the above
Mathematics