3 x 7 because three, seven times is 21
Answer:
see below
Step-by-step explanation:
Order of operations is parenthesis, exponents, multiplication, division, addition, subtraction.
since there are no exponents in this problem the next step is -2(2.2)
Simplify the previous step and you get -4.4
final answer is -7.6 - 4.4 = -12
Step-by-step explanation:
simplify the expression into like terms
so 5a-2b-3+2b-6a (add all a and b together)
this will make
-a-3
I know how to do the equivalent sorry :(
Answer:
Step-by-step explanation:
To find the area, you will need to times the length with the width.
So,
2.25*1.8=4.05 meters
1m=100cm
4.05m=405cm
Hope this helps.