Solve the problem.Paul has grades of 73 and 85 on his first two tests. What must he score on his third test in order to have an average of at least 80?
A. at least 79
B. at most 79
C. at most 80
D. at least 82
Answer: D
Mathematics
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Provide an appropriate response.Consider the velocity field F, which has for every z the configuration shown.
Will a paddle wheel with vertical axis at p rotate clockwise, counter clockwise or not rotate?
A. clockwise B. counter clockwise C. not rotate
Mathematics
Solve the problem.If f varies jointly as q2 and h, and 
when 
and 
find f when 
and 
A. f = 10 B. f = 40 C. f = 20 D. f = 8
Mathematics
Find the mode or modes for the set of numbers.$90, $57, $32, $57, $29, $90
A. $57 B. No mode C. $90, $57 D. $90
Mathematics
Add or subtract. Assume that variables represent nonnegative values.-7t2
+ 4t2
A. 3t2
B. -3t2
C. cannot combine because the radicals are not like
D. -3t3
Mathematics