Petrolium motor oil is a combination of natural oil and synthetic oil. it contains 7 liters of natural oil for every 4 liters of synthetic oil. in order to make 814 liters of petrolyn oil, how many liters of synthetic oil are needed?

How much orange juice do you need to make 2 servings of lemony orange slush?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem