Simplify the expression using the order of operations.-3 + 6(4)
A. -12
B. -21
C. 27
D. 21
Answer: D
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Solve the problem.A charged particle of mass m and charge q moving in an electric field E has an acceleration a given by 
where q and E are constants. Find 
.
A. 
= - 
B. 
= 
C. 
= 
D. 
= 
Solve the problem.The year y when sales were s million dollars for a particular electronics company can be modeled by the radical equation y = 1.2
- 6,where y = 1 represents 2001, and so on. Use the model to predict the sales for 2006 to the nearest tenth of a million.
A. $102.0 million B. $104.0 million C. $103.0 million D. $101.0 million
Solve the problem.How long will it take for $3600 to grow to $47,900 at an interest rate of 8.2% if the interest is compounded quarterly? Round the number of years to the nearest hundredth.
A. 127.54 yr B. 31.89 yr C. 32.84 yr D. 163.92 yr
Write as the sum and/or difference of logarithms. Express powers as factors. log7
A. log720 ÷ log713 B. log713 - log720 C. log720 - log713 D. log720 + log720