What is -1 1/3 - -4 2/5 as a fraction/ simplified

An advertisement is on a flyer that has a thickness of 8.2 × 10-5 meters. each measurement below is the thickness of a stack of flyers. drag each measurement to the correct stack.

What is the missing constant term in the perfect square that starts with x^2 -20x

Juliana says that she can use the patterns of equivalent ratios in the multiplication table below to write an infinite number of ratios that are equivalent to 6: 10. which statement explains whether juliana is correct? she is correct because she can multiply 6 and 10 by any number to form an equivalent ratio. she is correct because 6: 10 can be written as 1: 2 and there are an infinite number of ratios for 1: 2. she is not correct because the multiplication table does not include multiples of 10. she is not correct because 6: 10 is equivalent to 3: 5 and there are only 9 ratios in the multiplication table that are equivalent to 3: 5.