Find each product. Write the result in the form a + bi.7i(4 - 2i)
A. 28i + 14i2
B. 14 + 28i
C. 28i - 14i2
D. 28i - 14
Answer: B
Mathematics
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Give the appropriate counting number answer to the problem.David's company has to ship 4259 boxes of sprinklers. If a truck can hold 550 boxes, how many trucks does he need to ship all the boxes?
A. 9 B. 6 C. 8 D. 7
Mathematics
Use the commutative property of multiplication to write an equivalent algebraic expression.6 ? x
A. 6x
B. x ? 6
C. 
D. x + 6
Mathematics
Solve the problem.How long would it take $8000 to grow to $32,000 at 5% compounded continuously? Round your answer to the nearest tenth of a year.
A. 27.7 years B. 28.0 years C. 35.0 years D. 28.6 years
Mathematics
Fill in the blank with the appropriate measurement relationship.24 hr = 
day
Fill in the blank(s) with the appropriate word(s).
Mathematics