Answer:
11
Step-by-step explanation:
3+(−3)^2−(9+7)^0
=3+9−(9+7)^0
=12−(9+7)^0
=12−16^0
=12−1
=11
any number to the power of 0 is ALWAYS 1
Answer:
13 hours
Step-by-step explanation:
If she has 26 tests and it takes her Half an hour to correct each test, we know here's are two half an hour a in one hour so we can then divide 26 by 2 to get 13.
Answer:
Step-by-step explanation:
Four fifths is equal to ten sixteenths of a number. ... Two thirds equals negative eight times a number. ... Three and two thirds times a number equals two ninths.
Answer:
74°
Step-by-step explanation:
180-106
since supplementary is 180°
82°
7x+4 = 88°
7x = 84°
7x-2 = 82°
