90-x because a complementary angle is =90 degrees.
answer:
140 scoops
explanation:
3/4 of 80 is 20 and 1/2 of 60 is 30. when you add 80 and 60 you get 140
Answer:
2 second one cuz x can't be smaller than 0 because x is SQUARED
Answer:
um maybe 9 you dont really specify what were multiplying bye
