9/50
Graph the least square regression line y= 0.4746x - 5.556025
Simplify: x-3y (x-8y)-(-6x+7y)
15.6÷5.8
(0.4523) = 0.4342x + 0.8385
= 2 × 627.48
x+y+z=u,y+z=uv,z=uvw
5(x-1)+7<1-3(x+2)
square root of 49
x is divided by 360 times 452 is equal to 60