What’s the answer to this math problem

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression