Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.Jessica bought a 4 liter bottle of cola for her party. She estimates that the guests will drink a total of 21 cups of cola. How many more cups of cola will she need? Round your result to the nearest cup.
A. 13 c
B. 4 c
C. 221 c
D. 100 c
Answer: B
Mathematics
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Find the absolute maxima and minima of the function on the given domain.
on the diamond-shaped region 
A. Absolute maximum: 
at 
and 
absolute minimum: 0 at 
and 
B. Absolute maximum: 
at 
and 
absolute minimum: 0 at 
C. Absolute maximum: 
at 
and 
absolute minimum: 18 at 
and 
D. Absolute maximum: 18 at 
and 
absolute minimum: 0 at 
Mathematics
The data in the figure below represents the number of stars earned by 100 performers in a talent competition.
What is the mean number of stars earned by the performers?
A. 2.5 B. 1.9 C. 2 D. 1.95
Mathematics
Evaluate the expression.(-2)0
A. 0 B. 1 C. -2 D. -1
Mathematics
Find the exact value of the expression.
A. 
B. 
C. 
D. 2
Mathematics