Asubamrine is 12 meters below sea level. it goes up 8 meters, then goes down 30 meters. what is the submarines new postition to sea level

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee

Proportions in triangles solve for x