5. Earth Science Your weight on the Moon is about of your weight on Earth. Write and solve an equation to show how much a person weighs on Earth if he weighs
16 pounds on the Moon. How could you check that your answer is reasonable?

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

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Is there an x intercept in the equation 60*1.15^x