Petrolyn motor oil is a combination of natural oil and synthetic oil. it contains 5 liters of natural oil for every 4 liters of synthetic oil. in order to make 495 liters of petrolyn oil, how many liters of synthetic oil are needed?

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

When are triangles considered similar? a. corresponding angles are equal andcorresponding sides are proportionalb. corresponding angles are proportional andcorresponding sides are equalc. corresponding angles are equal orcorresponding sides are proportionald. corresponding angles are proportional orcorresponding sides are equal select the best answer from the choices providedmark this and retumsave and exitnext

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0