How much does she pour?

Pls answer for points

Explain how you can use the associative property to evaluate (7x50)x4.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers