If a seed is planted, it has a 85% chance of growing into a healthy plant.
If 6 seeds are planted, what is the probability that exactly 1 seed doesn't grow?

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Find x to the nearest hundredth place

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.