For which equation would x = 1 be a solution?

x - 3 = 4
6 + x = 4
x + 8 = 10
x - 1 = 0

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

Multiplying an even number of negative numbers gives an answer that is choose from:

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?