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

.25

step-by-step explanation:

hi there!

not proportional because the 42 does not go into 120 and 3 does not go into 8.

correct proportion: $40/1 ticket.

the reason i say this is because 40/1 is simplified and it evenly goes into 120/3.

hope this : )

the unknown side length of the golden rectangle with the given side length l = 9 is s = 5.56  

i did this question today

step-by-step explanation: