The table shows the amount of food collected by two homerooms, Homeroom A collects 21 additional items of food. How many more items does Homeroom B need to collect to have more items per student? Students
24 16
Canned food
30 22
Dry food
42 24

If 1 km = 0.621 miles, how many miles are in a centimeter

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

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv