Solve.4x + 2 = 18
A. x = 12
B. x = 4
C. x = 2
D. x = 16
Answer: B
Mathematics
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Solve the problem by integration.Under specified conditions, the time t (in min) required to form x grams of a substance during a chemical reaction is given by 
Find the equation relating t and x if x = 0 g when 
A. t = 
ln 
- 
ln 
B. t = 
ln 
+ 
ln 
C. t = 
ln 
+ 
ln 
D. t = 
ln 
- 
ln 
Mathematics
Solve the application.On a backpacking trip in New Mexico, Byron walked an average of 4
miles each day for 9 days. How many miles did he walk for the entire trip?
A. 36
miles
B. 13
miles
C. 38
miles
D. 38
miles
Mathematics
Multiply.(9x + 5)2
A. 81x2 + 90x + 25 B. 9x2 + 90x + 25 C. 81x2 + 25 D. 9x2 + 25
Mathematics
Write the number in scientific notation.4,700,000
A. 4.7 x 10-6 B. 4.7 x 106 C. 4.7 x 10-7 D. 4.7 x 107
Mathematics