Write 2^4 in expanded form and standard form

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

What is the slope of the line shown below?

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?