I really need help with these couple math questions please! Thank you so much and God Bless.

4. There are 100 letter tiles in the game of Scrabble. The distribution of game tiles and assigned value is provided in the table. Determine the average value of a Scrabble tile. Tile Number of Value Tile Number of Value Occurrences Occurrences A 9 N 6 B 2 3 O 8 1 C 2 3 P 2 3 D 4 2 Q 10 E 12 R 6 F 2 4 S 4 G 2 T 6 H U co V 4 C CO W 4 K X 8 L 4 Y 2 4 M 2 Z 10 Blank 2 0 Answer: (12)3. A major league baseball team has 41 players on its roster. The annual salaries for the players are in the table. Calculate the weighted mean of the salaries of the players. Annual MLB Salaries Number of Players $414 000 14 $416 000 3 $433 150 4 $737 500 2 $1 000 000 $3 240 000 5 $6 000 000 2 $8 250 000 3 $12 940 000 2 $14 384 000 2 $16 320 000 Answer: (/2)1. In a Math 30-3 class at Centre High, the course evaluation consists of exams, quizzes, and a review project. Exams are weighted at 75%, quizzes at 10%, and the review project at 15%. Billy has a mark of 62% on exams, 85% on quizzes, and 74% on the review project. What is his final grade in this course? Answer: (13) 2. Luke and Matthew are journeymen refrigeration and air-conditioning mechanics. Two years ago, they started their own company with just the two of them. Now they want to expand as business is growing rapidly and they want to maintain good customer service. Luke and Matthew would like to hire a team consisting Team Members Number of Hourly of two office administrators, four apprentice Employees Wage ($) journeymen, and two labourers. In order to make a Ticketed Journeyman 2 33.91 profit, they need to make sure that their hourly payroll does not exceed how much they charge hourly to their 3rd-year Apprentice 1 23.74 residential and commercial customers. The table 2nd-year Apprentice 3 20.35 shows their team's hourly wages. Labourer 2 19.10 a. Determine the weighted mean of hourly wages for Office Administrator 2 23.11 the company. Answer: (12) b. Would this be a good representation of how much an employee would make per hour if he or she worked for this company? Explain. Answer: (2) c. If a job requires 3 workers, what is the minimum rate per hour that the company should charge its customers to cover the payroll? Answer: (/2) d. If a job requires 5 workers, what is the minimum rate per hour that the company should charge its customers to cover the payroll