How i can learn php programming efficiently ?

For a typical middle-income family, what is the estimated cost of raising a child to the age of 18? $145,500 $245,340 $304,340 $455,500

In which of the following ways can using test-taking tips you? a. you can focus on the information that you need to study. b. you will see the answers to the test. c. you will study more. d. you will be less organized.

In excel, what happens to the cell contents when you click and drag a cell into multiple cells?