Sandra prepared 15 kilograms of dough after working 3 hours. How many hours did Sandra work if she prepared 20 kilograms of dough? Solve using unit rates.

Do not comment if you aren’t going to . create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

What is the solution set of the quadratic inequality x^2-5< or equal to 0

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?