Answer:
180 degrees Celsius
Step-by-step explanation:
I think it's correct
Answer:
20.25
Step-by-step explanation:
4.5*4.5 = 20.25
Answer: a
Step-by-step explanation:
Answer:
-1/2
Step-by-step explanation:
3(y+13 )=36
y+13=12
y=-1
(1/2) x -1 = -1/2
Notice, ending ends makes it easeier
1+20=21
2+19=21
...
10+11=21
there are 10 pairs of numbers
they add to 21
10 times 21=210
the sum is 210