find the distance between pair of paint.
1.(4, 3) and (4,5)
2.(2,1) and (8,9)
3.(-4,-2) and (7,11)
4.(7,1) and (6,5)
-108×-7
24-3×4=
-1,6393x +57,989=1,275x 20,2
w = (−5) ∗ (−4) ∗ (−12)
x(1-x^2)^1/2
2z-1=4z-17
2(5+4x)=26
(x^2) + (x+3)^2 = 29
7/8÷35/48*2 1/2
