When graphed, which parabola opens downward?

a. y = - 3x2

b. y = (x - 3) 2

c. y = 1/3x2

d. y = x2 - 3

Write 53/198 as a decimal.

Encuentra las expresiones para los factores 361+19

What are the variables and coefficients on the problem 5.4 times 2 + 2.8 times 2

What is the height? 4m 3m 2m find area

Solve for y. x-4=y^2

Choose the correct simplification of (3x^3y^2) ^2

Ryan had a whole pizza. He ate one eiightth of pizza for lunch and anther 25% of pizza dinner. What fraction of the pizza has Ryan NOT eaten

8 more than 5 times a number is - 27

Is 0.3333 a rational number and why

Suppose the linear regression line y=-0.3x + 11.2 predicts the time, in minutes, it takes you to finish an obstacle course after training for x days. About how much time would it take you to finish the course after training for 7 days? O A. 78.