Please help just answer the blanks I'll give a crown thing don't waste an answer.​

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Which strategy is used by public health to reduce the incidence of food poisoning?

Joline is solving the equation 0=x^2-5x-4 using the quadratic formula which value is the negative real number solution to her quadratic equation round to the nearest tenth if necessary