The length of an object is measured as 84.8 centimeters. what is this measurement in scientific notation

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.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?