Please help this is a quiz

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5