Write the following proportions.28 children is to 30 bicycles as 14 children is to 15 bicycles
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: A
Mathematics
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Write as a number.Round 7620 to the first digit.
A. 8100 B. 7890 C. 9000 D. 8000
Mathematics
Evaluate the integral by making a substitution and then using a table of integrals.
A. - 10 ln 
+ C
B. ln 
+ x - 10 ln 
+ C
C. ln 
- 10 ln 
+ C
D. ln 
- 10 ln 
+ C
Mathematics
Use the graph and formula for f(x) to find the average rates of change of f from -4 to -1 and from 1 to 4.y = -0.4x2 + 3
A. -2; -2 B. 2; -2 C. -2; 2 D. 2; 2
Mathematics
Provide an appropriate response.Explain the error in the following: log3 2 + log3 M = log3 (2 + M).
What will be an ideal response?
Mathematics