Amanda plans to run eight laps around the track. each lap is 100 yards. so far amanda has run 240 yards. What percentage of the total has amada completed?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.

Me i'm timed ! a. -2 to 1 b. -1.5 to 0.5c. 0 to 1d. 0.5 to 1.5