Solve the problem.Janet types a 980-word paper in 20 minutes. What is her unit rate in words per minute?
A. 16 words per min
B. 327 words per min
C. 147 words per min
D. 49 words per min
Answer: D
Mathematics
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Guess the rule used to change one number into another.
A. 3n + 1 B. 4n - 3 C. n2 - 3 D. None of the above is the correct rule.
Mathematics
The circle graph shows the results of the student council presidential election. The complete circular area represents 100% of the votes.
The circle graph shows what percent of the vote each person received.How many votes did Ann get?
A. 144 B. 132 C. 216 D. 108
Mathematics
Solve the formula for the specified variable.A = 
h(b1 + b2) for b1
A. b1 = 
B. b1 = 
C. b1 = 
D. b1 = 
Mathematics
Find the first and second derivatives of the function.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics