Which statement best explains the relationship between lines AB and CD?

a. They are parallel because their slopes are equal.

b. They are parallel because their slopes are negative
reciprocals.

c. They are not parallel because their slopes are not
equal.

d. They are not parallel because their slopes are
negative reciprocals.

Which of the following is true for the relation f(x)=2x^2+1

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

The frequency table shows the results of a survey asking people how many hours they spend online per week. on a piece of paper, draw a histogram to represent the data. then determine which answer choice matches the histogram you drew. in order here is the.. hours online: 0-3, 4-7, 8-11, 12-15, and 16-19. frequency: 5, 8, 10, 8, 7 answer for the question is in the picture! : )