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Work Sample 10 Name Math 151 Sections 5.7 to 5.8 You must show all work NEATLY in the space provided. Indicate your final answer. Upload your work as a PDF file. Find the indicated matrix. 1) Let A = 13 ] a 25 and B= 04 . Find 4A + B. Find the matrix product when possible. 30 -31 05 Find the inverse, if it exists, for the matrix. 3)-1 5 Solve the problem. 4) A basketball fieldhouse seats 15,000. Courtside seats sell for $10, endzone for $6, and balcony for $5. Total revenue for a sell-out is $92,000. If half the courtside and balcony and all the endzone seats are sold, the total revenue is $52,000. How many of each type of seat are there in the fieldhouse