1. the function h = - 4.9x2 + 40x + 1 gives the height of a baseball after it has been hit
until it lands on the ground.
the variable, h, gives the height of the ball in metres.
the variable, x, gives the time in seconds after the ball is hit.
[a] use the table function of a graphing calculator to show a table of values for the
height of the ball until it hits the ground.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?