Tell whether each triangle with the given side lengths is a right triangle .
9 in 15 in 17 in

20 mm 30 mm 40 mm

18.5 ft 6 ft 17.5 ft

41/17 as a decimal rounded to the nearest hundredth

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.