In order to prove △abc ≅ △dbc by sas, what additional information must be given?

The length of a lap is 15 meters. if lisa wants to swim 450 meters this week,how many laps must she swim

Mandy bought 1/6 pound almonds and 3/4 how many pounds did she buy in all?

Using the given information, solve for x. what is the length of ab? what is the length of rs? a) x = 2; ab = 4; rs = 8 b) x = 6; ab = 8; rs = 16 c) x = 4; ab = 6; rs = 12 d) x = 8; ab = 10; rs = 20