A pigeon lands on top of the Eiffel Tower and then, spotting a scrap of food, dives to the ground below. The pigeon's height in meters is approximately h(t)=-5t2+300 where t is in time in seconds.
About how long is the pigeon in the air? Round to the nearest whole number.

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

The sum of two numbers is 58. the first number is 8 less than half the second number. let  c  represent the first number. let  drepresent the second number. which statements about solving for the two numbers are true? check all that apply.the equation    represents the sum of the two numbers.the equation    represents the sentence “the first number is 8 less than half the second number.”the equation    represents the relationship between the two numbers.the equation    represents the sum of the two numbers.the number  d  is 14.the number  c  is 44.the number  c  is 14.the number  d  is 44.

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)