Dolly's best ski time is 76 seconds this time is 1 1/3 times the best time score by Andrew what is Andrews best ​

What is the length of the unknown leg in the right triangle ?

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.

What is the volume of a cone with a height of 6 cm in the radius of 2 cm