Which number is postitive, 45, -8, -45, -8

45

Step-by-step explanation:

if it has a subtraction or negative dash in front its negative.

45

Step-by-step explanation:

Hello! Out of all of these options, 45 is the positive number. The other numbers are all examples of negative numbers. Hope this helps! :D

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.

sorry i really don't know what tiles and steps you are referring to

step-by-step explanation: