Which of the following questions have a LCM of 60

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!