I’m having trouble understanding this
(5-3i)+(2+6i)

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?