Please hurry its for a test

simplify 1/3x + 1/4 + 2/3x

If 25% of y is 30, what is 60% of y?

15/16 as a decimal rounded to the nearest hundredth

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?