A. Realiza las siguiente operaciones Paso a paso a)5-6+ (-9)-(-5)+1=
b) -2-7+ (-4)+6-1=
c) 8-(-2)+7-(-8)-6+3=
d) 1-(-5)-16+4+ (-12)+ (-3)-7=

What does x = in this equation x+3+2x=x+5

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

If y varies directly as x2 and y=6 when x=6, find the constant of variation.