Answer:
Step-by-step explanation:
haha dude ur in my class
8000+500+20+3
numer of 0's at the end is in accordance to the number of numbers behind the number you are writing
Answer:
Step-by-step explanation:
If this is in terms of angles, 4x+6 must be equal to 90 since it is half of the angle produced by a line (180°) So solving for 4x+6=90, x=21
Answer:
10 
Step-by-step
Reduce 
to 
and simply subtract.
Answer:
5
Step-by-step explanation:
The side with 4 cubes has a length of 2, the side with 2 cubes has a length of 1, and the side with 5 cubes has a length of 2.5.
2 x 1 x 2.5 = 5
