One positive number exceeds another by 5, and their product is 84. Find the numbers.

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

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.

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65