Hailey, Carla and Britney had a contest
to see who could hold their breath
longest in the pool. Hailey won because
she held her breath for 14 seconds longer
than Carla. Carla was able to hold her
breath for twice as long as Britney.
Britney held her breath for 44 seconds.
What was the winning time in the contest? can someone help me please

896.31 cm= km 100cm = 1m 1000m = 1km a) 0.0089631 b) 0.0089631 c) 8.9631 d) 89.631

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

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?