Please answer questions 15 and 16

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Identify the number as a rational or irrational.explain. 127

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?