An office manager just got back from vacation, so she has a pile of 424 letters to read. Then, the mail carrier comes and delivers 41 more letters for her. How many letters does the office manager have now?
465
383
455
373

465

Step-by-step explanation:

424+41=465

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

i hope i you.

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8