Need it please help me to do this

COMMUNICATION

1. yes theres a problem, because the sum of all angles must be 540° for pentagon.

2a. x and y is 145°

THINKING

1a. (n-2) x 180

( 10-2) x 180

answer : 1440

b. (n-2) x 180 / n

(10-2) x 180 / 10

144

* for question 2b im not sure but I inserted the picture for some reference :)

hope this helps

answer: 1,380

step-by-step explanation:

1: you turn %15 into a decimal by moving the decimal point two places to the left.

2: and then you multiply .15 by 1,200 , which will get you 180.00

3: from there you will add 180 to 1,200

4: which will get you 1,380

hope it *im kind of slow so idk if my answer is right*

i think the answer is b.

step-by-step explanation:

not 100% sure though.