Question

PLS HELP ME ASAP FOR 28 (SHOW WORK + LOTS OF POINTS) THANK YOU SO MUCH!

Answer 1

For this you can use the y=mx+b form I would chose a

Answer 2

90 feet depth to 20 feet depth. the distance travelled= 90-20=70

speed=dist/time=70/15=14/3=4+2/3

clearly its moving upwards as depth is reducing. so,B