For sentences 16-20, choose the correct answer(A, B, C, or D) 16. It is essential that we ... this deadline if we want the project to be successful. A) arrive b) meet c) reach d) win
17 could we ... a time for us to meet early next week? A) do b) fix c) put d) hold
18. Under the new system, junior and senior members of staff will work ... together as a team a)nearly b) tightly c) closely d) firmly
19. If we are not ready to take this challenge, we will be in serious trouble next year a) on) down c) off d) out
20. It is very important the we up with all the latest technology a) stay b) keep c) hold d)take

you didn't provide the passage.

explanation:

seeing as this is your first question on i can see why you may have not known that you need to provide the passage.

without the passage, or even the name of the passage, we can not read the passage, therefore we can not determine when or how the pacing effects the tone.

however, you can either repost this question (providing the passage this time)

or you can comment below what the passage is, and i'll you to the best of my ability!

the correct answer is (a) . answer should be simple, clear and brief.

i think the correct answer is b. phrase

. a function is a relation in which each input has only one output. in the relation , y is a function of x, because for each input x (1, 2, 3, or 0), there is only one output y. x is not a function of y, because the input y = 3 has multiple outputs: x = 1 and x = 2.