Write a PHP script to do the following: 1. Use regular expression to remove all characters from a string except a-z A-Z 0-9 or " ". Sample string : ab9cde$dd3d @abcd )der] Expected Result : ab9cdedd3d abcd der 2. Use regular expression to check whether a string "I like a PHP language “ contains PHP string or not.

Using the number line model to depict terminating decimals, explain whether or not you think there is a greatest terminating decimal less than 1. Explain.

11. Solve: 100101011 -1000101 01

What is the coefficient of the term x³y in the binomial expansion (x + y)¹4 ? Enter your answer in the box below. Answer =

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The arrival times of geese to a gaggle were recorded (in seconds) and given in the stemplot below. 134599 21778 2345 32 4599 6 22 What is the 12th fastest time a goose took to join the gaggle? Make sure to use labels and avoid the use of abbreviations. Your Answer: