Hey there! I'm happy to help!
Don't let this negative on the outside freak you out. It just means -1. We want to multiply everything on the inside of the parentheses by -1 to simplify.
-1(5.8a)=-5.8a
-1(4.2b)=-4.2b
So, our final expression is -5.8a-4.2b.
Have a wonderful day! :D
Answer:
20 children
Step-by-step explanation:
We can see that 1 pint is equal to 2 cups. Since the jug holds 10 pints of milk, we can convert that to cups by multiplying by 2. We realize that the jug holds 20 pints of milk.
Since each child needs one cup of milk to be satisfied, we can state that the jug can satisfy 20 children.

7 hundreds, 4 tens and 9 units.
Answer:
1156
Area = base times height
Area = (36-1-1) times (45-10-1)
=1156
2 * 49 = ?
2* 49 = 98
Answer: 98