Which statement best describes the function h(t)=210-15t?

Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?

Which system of linear inequalities is represented by the graph? !

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer