Identify whether the given scatterplot shows a positive association, negative association, or no association.The following scatterplot shows the heights (in inches) of a group of children and their ages. 
Age (years)What type of association is there for this data?
A. positive association
B. no association
C. negative association
Answer: A
Mathematics
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Simplify and add or subtract wherever possible.
+ 
- 
A. 15
B. 15
C. 205
D. -280
Mathematics
Convert the temperature algebraically. Round the answer to one decimal place.11°C to Fahrenheit
A. 24.4°F B. -11.2°F C. -12.2°F D. 51.8°F
Mathematics
Solve the problem.Amy has 2 blue, 3 red, and 4 green books to arrange on a shelf. In how many ways can the books be arranged if books of the same color must be grouped together? (Assume that books of the same color are distinguishable.)
A. 32 B. 6 C. 1728 D. 288
Mathematics
Solve the system by substitution.0.6x + 0.6y = -5.4 x - 0.4y = -3.4
A. ? B. {(-5, -4)} C. {(-4, -5)} D. {(-0.5, -0.4)}
Mathematics