A group of 5 scuba divers started a journey at 1:00 at sea level . The descended steadily 12 feet per minute and observed 3 schools of fish and 2 coral reefs. What is the initial value ? What is the rate of change?

Will mark the brainliest.paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?