Perform the indicated operations. Write the answer using only positive exponents. Assume all variables represent positive real numbers.(
)3 
-1
A. 
B. 
C. 
D. 
Answer: D
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Let p, q, and r represent the following simple statements: p: There is a blizzard outside. q: We do not have to go to school. r: We go sledding.First place parenthesis as needed before and after the most dominant connective and then translate the symbolic statement into English. ~r ? ~p ? ~q
A. If we go sledding, then there is a blizzard outside or we do not have to go to school. B. If we do not go sledding then there is not a blizzard outside, or we have to go to school. C. If we do not go sledding, then there is not a blizzard outside or we have to go to school. D. If we go sledding then there is a blizzard outside, and we do not have to go to school.
Simplify the expression.-4-2
A. 16
B. 
C. -16
D. - 
Solve the problem.A high school graduating class is made up of 439 students. There are 133 more girls than boys. How many boys are in the class?
A. 439 boys B. 286 boys C. 133 boys D. 153 boys
Find the magnitude of the vector.
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?
?
A. ?
B. ?
C. ?
D. 
E. ?