Aprototype rocket burns 159 gallons of liquid -hydrogen fuel each second during a regular launch. how many gallons of fuel burned after 3 seconds show work.

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

Is a positive integer raised to a negative power always positive

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 ?