contestants in a dance-a-thon rest for the same amount of time every hour. a couple rests for 49 minutes in 7 hours. how long did they rest in 8 hours?

c. 16 units

step-by-step explanation:

mark brainliest and have a great day!

d. 145*2 is 290 than the total angle is 360 then minus 290 then divide by two

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c