The height of a ball Doreen tossed into the air can be modeled by the function h(x) -4.9x2 + 6x + 5, where x is the time elapsed
in seconds, and h(x) is the height in meters. The number 5 in the
function represents...
(1) the initial height of the ball
(2) the time at which the ball reaches the ground
(3) the time at which the ball was at its highest point
(4) the maximum height the ball attained when thrown in the air

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

What are the soultion(s) to the quadratic equation 40- x^2=0