PLZ help me asap. I know its late and yall probably dont wanna do it but plz plz plz help me

2÷6+1/2 to the second power plus one

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

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180