Ihave this question and i need it done ? picture included i was never taught matrix

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?