If 10mg of iodine-131 is given to a patient, how much is left after 24 days? The half-life of iodine-131 is 8 days. a
1.25mg
b
10mg
c
125mg
d
15mg

Arunning track in the shape of an oval is shown. the ends of the track form semicircles. a running track is shown. the left and right edges of the track are identical curves. the top and bottom edges of the track are straight lines. the track has width 56 m and length of one straight edge 130 m. what is the perimeter of the inside of the track? (π = 3.14) 260.00 m 347.92 m 372.00 m 435.84 m

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.