The table shows the change in the price of a alarm clock. At the end of the week, the price is .

 

Day of the weekChange in priceMondayTuesdayWednesdayThursdayFriday 



A.


B.


C.


D.



Answer: D

Mathematics

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Determine if the given sequence could be an arithmetic sequence.-1, 1, 3, 5, 7, . . .

A. Yes B. No

Mathematics

Evaluate.9x, when x = 4

A. 13 B. 36 C. 162 D. 27

Mathematics

Use the imaginary unit to write the expression.

A. ±15 
B. 15i 
C. -i
D. -15i 

Mathematics

Suppose an oil tanker hits a reef and begins to leak. The efforts of the workers repairing the leak cause the rate at which the oil is leaking to decrease. The oil was leaking at a rate of 39 barrels per hour at the end of the first hour after the accident, and the rate is decreasing at a rate of one barrel per hour. How many barrels of oil will leak in the first 6 hours? ?

A. 216 barrels B. 132 barrels C. 222 barrels D. 231 barrels E. 225 barrels

Mathematics