To The bottom half it is B. 0.8(9+w) = 0.8w + 72 and 4.8 + 2.2w - 1.4w +2.4 = 0.8w + 72
Hope this helps sorry cant do other half
Answer:
33.6 x 3.1 = 104.16
Step-by-step explanation:
To multiply decimals, first multiply as if there is no decimal. Next, count the number of digits after the decimal in each factor. Finally, put the same number of digits behind the decimal in the product.
Answer:
Simplify the expression.
7x + 10
Step-by-step explanation:
i hope this help you
Answer:
The new mean is 77cm
Step-by-step explanation:
If the mean height of the 30 children in a room is 76 cm, then the sum of their ages is

If James with height 107cm joins them, then the total number of children now becomes 30+1=31 and the total height becomes: 2280cm+107cm=2387cm
The new mean now becomes:
