Find the distance between each pair of parallel lines with the given equation.
y=-x
y=-x-4

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm

What is number 31 as a sum of tens and ones?

Aline with a slope of -7 passes through the points (u,0) and (8,-7) what is the value of u?