A bird is flying at an altitude of 100 feet. After a few minutes of ascending and descending, the bird ends up at a new altitude of 120 feet. Which of the following expressions best represents the flight of the bird?
A: 100 + 30- (- 50)

B: 100 + (-30) + (- 50)

C: 100 + 30+ 50

D: 100 + (-30) + 50

Which statement best explains why ben uses the width hi to create the arc at j from point k

Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?