The gym is 21 years newer than the auditorium. The gym is also one fourth as old as the auditorium. How old is each building?
Choices for the auditorium's age: 26, 27, 28

i believe it's a.

i'm not sure on this one, most likely correct.

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

step-by-step explanation:

classify each pair of angles as alternate interior, same-side interior, or corresponding angles.