Chapter 3, Problem 2.14CP

In the range C15:G15, insert a function to calculate the total daily revenue. In the range H11:H15, insert a function to calculate the weekly totals for the seating categories and grand total. What are the functions?

Lael is constantly looking for students who are interested in running for office in student organisations.   In cell M2, insert the following formula, which uses a nested IF function and structural references to assess if a student has already been elected to office in a student group, and if not, whether that student fits the conditions to run in the future: If the Elected column value equals the string "Yes," the formula should display Elected as the text. Otherwise, the formula should check if the value in the Finance Certified column is equal to the word "Yes" and return the text Yes if it is and No if it is not. What is the formula that should be entered into Excel?

I need assistance with the following MySQL question:  Create a stored procedure named prc_inv_amounts to update the INV_SUBTOTAL, INV_TAX, and INV_TOTAL. The procedure takes the invoice number as a parameter. The INV_SUBTOTAL is the sum of the LINE_TOTAL amounts for the invoice, the INV_TAX is the product of the INV_SUBTOTAL and the tax rate (8 percent), and the INV_TOTAL is the sum of the INV_SUBTOTAL and the INV_TAX.   Screenshot attached*