Starter: 1)
The ages of children added together come to 20 and when
multiplied together make 280.
If the ages are multiplied together in 10 years time,
what will be the answer?​

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll

Find the domain of the following expression: 1/(√x)-2