Find the value of 4^2+6^2
O 52
O 20
O 100

52

Step-by-step explanation:

1.

2.

3.

4.

Therefore, the answer is 52.

5:18

Step-by-step explanation:

Husband can complete the task in 1 hour so rate of husband work done is 1

Wife can complete the task in 2 hour so the rate of work done of wife is

When both work together then the rate of work done is

So when they work together they need

It is given that Rae can complete the work in 4 hopur so rate of work done of Rae is

It is also given that Herman can complete the work in 6 hour so rate of work done of Herman is

If both children work together then their rate of work done is

So when they work together they need

So the ratio of couple's time working together to the children's time working together is