Math asap.
given: ∠1 ≅ ∠3

which lines must be parallel?
a) r and s
b) p and q
c) p and r
d) q and s

given that de, df, and fe are the lengths of mid-segments, what is the perimeter of the triangle abc?
a) 23
b) 32
c) 46
d) 69

Abouncy ball is dropped such that the height of its first bounce is 5.5 feet and each successive bounce is 64% of the previous bounce's height. what would be the height of the 7th bounce of the ball? round to the nearest tenth (if necessary).

Sara can take no more than 22 pounds of luggage on a trip. her suitcase weighs 112 ounces. how many more pounds can she pack without going over the limit?

The graph shows the distance kerri drives on a trip. what is kerri's speed . a. 25 b.75 c.60 d.50