Atin contains 7 chocolate biscuits and 3 plain biscuits. a child reaches into the tin and randomly selects 3 biscuits to be eaten. what is the probability that at least one of the biscuits is chocolate

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

The coordinate grid shows a pentagon. the pentagon is translated 3 units to the right and 5 units up to create a new pentagon. what is the rule for the location of the new pentagon?

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same