Which of the following statements is valid?SELECT InvoiceNumber, VendorNameFROM Invoices JOIN Vendors ON Invoices. VendorID = Vendors. VendorIDWHERE InvoiceTotal = MAX(InvoiceTotal)SELECT InvoiceNumber, VendorNameFROM Invoices JOIN Vendors ON Invoices. VendorID = Vendors. VendorIDWHERE InvoiceTotal = (SELECT MAX(InvoiceTotal))SELECT InvoiceNumber, VendorNameFROM Invoices JOIN Vendors ON Invoices. VendorID = Vendors. VendorIDWHERE InvoiceTotal IN (SELECT MAX(InvoiceTotal) FROM Invoices)All of the above

Convert and simplify the following sentences to conjunctive normal form (cnf): (a) (p → (q → r)) → (p → (r → q)) (b) (p ∧ q) → (¬p ↔ q) (c) ((p → q) ∧ ¬q) → ¬p

A.) generate scaffolding to create database for your application. develop all the entities identified in assignment #2. add any additional that may be identified later. b.) add data validation rules to the models that are appropriate for your application and data. c.) create links for each scaffold in the header section. part 2: application updates [30 points] a.) add two additional views to the "home" controller you created in assignment #1. b.) the two views should be named as “privacy" and "". c.) link the two newly created views in the footer section. hint: you would need to modify the “home" controller definition and create “privacy.html.erb" and “.html.erb" files in appropriate locations.

This program will store roster and rating information for a soccer team. coaches rate players during tryouts to ensure a balanced team. (1) prompt the user to input five pairs of numbers: a player's jersey number (0 - 99) and the player's rating (1 - 9). store the jersey numbers in one int vector and the ratings in another int vector. output these vectors (i.e., output the roster). (3 pts) ex: enter player 1's jersey number: 84 enter player 1's rating: 7 enter player 2's jersey number: 23 enter player 2's rating: 4 enter player 3's jersey number: 4 enter player 3's rating: 5 enter player 4's jersey number: 30 enter player 4's rating: 2