Write an equation to match the situation: A canister of hot chocolate mix has 16oz in it. To make a cup of hot chocolate, c ounces of mix is removed from the canister. Write an equation models the relationship between the quantity of hot chocolate mix removed, c, and the quantity left in the canister, h.

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

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Having a hard time understanding this question (see attachment).