Just need the answers to see if im right lol

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.

What is y times x by? y is __ times x

Carli has 90 apps on her phone. braylen has half the amount of apps as theiss. if carli has three timesthe amount of apps as theiss,how many apps does braylen have? let b represent the number of braylen's apps and t represent the number of theiss's apps.