The answer should be -3, I can explain it if you want.
The answer to 89+27+11 is 127
Do u mean a mixed number?
2 2/5
First pic ; they are complementary angles , so C !!
second pic ; both angles are supplementary angles !! as sum is 180° !!
Its very easy
455 means 5*7*13
now divide (5*7*13) by 7
you will easily get 5*13=65
