A ball is thrown from an initial helght of 1 meter with an initial upward velocity of 9 m/s. The ball's heighth (in meters) after t seconds is given by the following
h=1+9t-5t^2
Find all values of 1 for which the ball's height is 4 meters.
Round your answer(s) to the nearest hundredth.
(If there is more than one answer, use the "or" button.)

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Asquare parking lot has 6,400 square meters what is the length in meters