PLEASE HELP An Olympic diver is competing for a metal. His height in meters above the water can be modeled by the function f\left(x\right)=-4.9x^2+9.8x+14.7f( x)=−4.9x
2
+9.8x+14.7
where is is the time in seconds after he begins the dive.

When you answer this can you explain

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?