Write the number in scientific notation 0.00000547

Perform the indicated operation and simplify:  

Solve and write the solution set in interval notation. 2x + 7  

Simplify: -12 + 7(3x – 1) – 3x

The number of cable TV systems recently decreased from 20,000 to 18,500.  Find the percent of decrease. Round to the nearest tenth of a percent.

Graph the equation: 2x + y = 1

Which equation represents the following statement?20 less than three times a number is 100.

Find the mean, median, and mode of the following statistic students’ test scores: 58,61,54,58,51,59, 58,52, 53,56

4. Given a function  and the interval  Derive the Trapezoidal’s rule given by

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