Dard 7.40) - supporting
the depth, in inches, of an object as it sinks
in the river is found by the equation d 0.5t,
where t is measured in seconds, which best
describes the constant of proportionality?
@ 0.5 second per inch
. 0.5 inch per second
©2 inches per second
1 inch per 0.5 second

explanation:

step-by-step explanation:

45.36 feet per second

step-by-step explanation:

tyrone travels 30 miles in 58.2 minutes.  

1 mile = 5280 feet; this means he travels

30(5280) = 158400 feet in 58.2 minutes.

1 minute = 60 seconds; this means he travels 158400 feet in

58.2(60) = 3492 seconds.

this gives us the unit rate of

158400/3492 = 45.36 feet per second.

he has 4 left

step-by-step explanation:

guy gives 1 to his friend mr. guy, so that is 5 subtracted by 1, which leaves him with 4 left, hope this !