Solve the problem.Sue has taken four exams so far in her History course. His scores are 88.7, 78.2, 93, and 87.5. What is the average of these scores?
A. 87
B. 86.85
C. 85.45
D. 89.05
Answer: B
Mathematics
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Determine all critical points for the function.f(x) = (x - 1)3
A. x = 1 B. x = 0, x = 1, and x = 3 C. x = 1 and x = 3 D. x = 0 and x = 1
Mathematics
Find an equivalent expression by multiplying. Do not simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Pete's grocery bill was $9.16. He gave the clerk a $20 bill. How much change should he receive?
A. $9.16 B. $9.84 C. $10.83 D. $10.84
Mathematics
Decide if the function is linear.y = 
+ 3
A. No B. Yes
Mathematics