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3. Select the expression that represents the statement “22 more than a number”. 4. Determine the value of 5(x+7)-3 when x=9. 5. Determine the value of x(8-x)+9 when x= -4. 6. Select the expression that represents the statement “3 times than a number”. 7. There are 16 ounces in a pound. How many ounces are in 7 pounds?